APA Citation

Haas, K., & Haas, A. (1987). Understanding sexuality. St. Louis, USA.

Chicago Style Citation

Haas, Kurt, and Adelaide Haas. Understanding Sexuality. St. Louis, USA, 1987.

MLA Citation

Haas, Kurt, and Adelaide Haas. Understanding Sexuality. St. Louis, USA, 1987.

Warning: These citations may not always be 100% accurate.