APA (7th ed.) Citation

Sigelman, C. K., & Shaffer, D. R. (1991). Life-span human development (2. print.). Brooks-Cole.

Chicago Style (17th ed.) Citation

Sigelman, Carol K., and David R. Shaffer. Life-span Human Development. 2. print. Pacific Grove, Calif: Brooks-Cole, 1991.

MLA (9th ed.) Citation

Sigelman, Carol K., and David R. Shaffer. Life-span Human Development. 2. print. Brooks-Cole, 1991.