Sostre, J., & Abreu, R. L. (in press). Pulse nightclub shooting. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (2nd edition). Sage Publications.

Sostre, J., Mejia, J., & Abreu, R. L. (in press). LGBTQ-parent involvement and advocacy in schools. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (2nd edition). Sage Publications.

Mejia, J., & Abreu, R. L. (in press). Home-school partnerships in LGBTQ-parent families. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (2nd edition). Sage Publications.

Mejia, J., & Abreu, R. L. (in press). School choice in LGBTQ-parent families. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (2nd edition). Sage Publications.

Abreu, R. L., & Huff, J.* (2021). Public displays of affection. In H. Armstrong (Ed.), Encysclopedia of sex and sexuality: Understanding biology, psychology, and culture (pp. 559). ABC-CLIO.

Abreu, R. L. (2016). Parental acceptance-rejection theory. In J. Carlson (Eds.), The SAGE encyclopedia of marriage, family, and couples counseling (pp. 1216-1218). Sage Publications. doi:10.4135/9781483369532.n365

Farook, M. W., & Abreu, R. L. (2016). Adult attachment assessments. In J. Carlson & S. Dermer (Eds.), The SAGE encyclopedia of marriage, family, and couples counseling (pp. 46-47). Sage Publications. doi:10.4135/9781483369532.n13

Farook, M. W., & Abreu, R. L. (2016). Attachment and adolescents. In J. Carlson & S. Dermer (Eds.), The SAGE encyclopedia of marriage, family, and couples counseling (pp. 101-102). Sage Publications. doi:10.4135/9781483369532.n29

Farook, M. W., & Abreu, R. L. (2016). Sex positivity. In J. Carlson & S. Dermer (Eds.), The SAGE encyclopedia of marriage, family, and couples counseling (pp. 1504-1505). Sage Publications. doi:10.4135/9781483369532.n451

Abreu, R. L., & Fedewa A. L. (2016). Home-school partnerships in LGBTQ-parent families. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (pp. 539-542). Sage Publications. doi:10.4135/9781483371283.n196

Abreu, R. L., & Fedewa A. L. (2016). LGBTQ-parent involvement and advocacy in schools. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (pp. 719-720). Sage Publications. doi:10.4135/9781483371283.n253

Abreu, R. L., & Fedewa A. L. (2016). School choice in LGBTQ-parent families. In A. E. Goldberg (Ed.), The SAGE encyclopedia of LGBTQ studies (pp. 984-986). Sage Publications. doi:10.4135/9781483371283.n346