APA (7th ed.) Citation

Sigelman, C. K., & Rider, E. A. (2012). Life-span human development (7e.). Wadsworth/Cengage Learning.

Chicago Style (17th ed.) Citation

Sigelman, Carol K., and Elizabeth A. Rider. Life-span Human Development. 7e. Belmont, CA: Wadsworth/Cengage Learning, 2012.

MLA (9th ed.) Citation

Sigelman, Carol K., and Elizabeth A. Rider. Life-span Human Development. 7e. Wadsworth/Cengage Learning, 2012.