APA (7th ed.) Citation

Schaffer, H. R. (2006). Key concepts in developmental psychology. SAGE.

Chicago Style (17th ed.) Citation

Schaffer, H. Rudolph. Key Concepts in Developmental Psychology. London: SAGE, 2006.

MLA (9th ed.) Citation

Schaffer, H. Rudolph. Key Concepts in Developmental Psychology. SAGE, 2006.

Warning: These citations may not always be 100% accurate.