Gaya APA

Olson, D, H. et al (2019). Marriage and Families : Intimacy, Diversity, and Strengths Ed. 9'th (9). New York: Mc-Graw Hill Education.

Gaya MLA

Olson, David, H.. et al. "Marriage and Families : Intimacy, Diversity, and Strengths Ed. 9'th". 9 New York: Mc-Graw Hill Education, 2019. Text.