APA (7th ed.) Citation

Turner, J. S., & Helms, D. B. (1983). Lifespan development (2. ed.). Holt, Rinehart & Winston.

Chicago Style (17th ed.) Citation

Turner, Jeffrey S., and Donald B. Helms. Lifespan Development. 2. ed. New York u.a: Holt, Rinehart & Winston, 1983.

MLA (9th ed.) Citation

Turner, Jeffrey S., and Donald B. Helms. Lifespan Development. 2. ed. Holt, Rinehart & Winston, 1983.