Cita APA (7th ed.)

Sigelman, C. K., & Rider, E. A. (2003). Life-span human development (4th ed.). Thomson/Wadsworth.

Cita Chicago (17th ed.)

Sigelman, Carol K., i Elizabeth A. Rider. Life-span Human Development. 4th ed. Australia: Thomson/Wadsworth, 2003.

Cita MLA (9th ed.)

Sigelman, Carol K., i Elizabeth A. Rider. Life-span Human Development. 4th ed. Thomson/Wadsworth, 2003.