Cita APA (7th ed.)

Olson, D. H. L., DeFrain, J., & Skogrand, L. (2008). Marriages & families: Intimacy, diversity, and strengths (6th ed.). McGraw-Hill Higher Education.

Cita Chicago (17th ed.)

Olson, David H. L., John DeFrain, i Linda Skogrand. Marriages & Families: Intimacy, Diversity, and Strengths. 6th ed. New York: McGraw-Hill Higher Education, 2008.

Cita MLA (9th ed.)

Olson, David H. L., et al. Marriages & Families: Intimacy, Diversity, and Strengths. 6th ed. McGraw-Hill Higher Education, 2008.