APA (7th ed.) Citation

Lefrancois, G. R. (1982). Psychology / Guy R. Lefrancois (2nd ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Lefrancois, Guy R. Psychology / Guy R. Lefrancois. 2nd ed. Belmont, Calif.: Wadsworth, 1982.

MLA (9th ed.) Citation

Lefrancois, Guy R. Psychology / Guy R. Lefrancois. 2nd ed. Wadsworth, 1982.

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