APA (7th ed.) Zitazioa

Hughes, F. P., & Noppe, L. D. (1985). Human Development Across the Life Span (ed.). West Publishing Company.

Chicago Style (17th ed.) Zitazioa

Hughes, Fergus P., eta Lloyd D. Noppe. Human Development Across the Life Span. ed. St. Paul, Minnesota: West Publishing Company, 1985.

MLA (9th ed.) Zitazioa

Hughes, Fergus P., eta Lloyd D. Noppe. Human Development Across the Life Span. ed. West Publishing Company, 1985.