Citazione Stile APA (7a Edizione)

Sigelman, C. K. (2008). Human development across the life span. Cengage Learning-Wadsworth.

Citazione stile Chigago Style (17a edizione)

Sigelman, Carol K. Human Development Across the Life Span. Belmont, CA: Cengage Learning-Wadsworth, 2008.

Citatione MLA (9a ed.)

Sigelman, Carol K. Human Development Across the Life Span. Cengage Learning-Wadsworth, 2008.