APA Citation

Singer, S., & Hilgard, H. R. (1978). The biology of people. San Francisco: W.H. Freeman.

Chicago Style Citation

Singer, Sam, and Henry R. Hilgard. The Biology of People. San Francisco: W.H. Freeman, 1978.

MLA Citation

Singer, Sam, and Henry R. Hilgard. The Biology of People. San Francisco: W.H. Freeman, 1978.

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