APA (7th ed.) Citation

Pastorino, E., & Doyle-Portillo, S. (2006). What is psychology? Wadsworth/Thomson Learning.

Chicago Style (17th ed.) Citation

Pastorino, Ellen, and Susann Doyle-Portillo. What Is Psychology? Belmont, CA: Wadsworth/Thomson Learning, 2006.

MLA (9th ed.) Citation

Pastorino, Ellen, and Susann Doyle-Portillo. What Is Psychology? Wadsworth/Thomson Learning, 2006.