APA (7th ed.) Citation

Lefrancois, G. R. (1999). The Lifespan (6th ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Lefrancois, Guy R. The Lifespan. 6th ed. Belmont, Calif: Wadsworth, 1999.

MLA (9th ed.) Citation

Lefrancois, Guy R. The Lifespan. 6th ed. Wadsworth, 1999.

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