APA (7th ed.) Citation

Lefrancois, G. R. (1993). The lifespan (4th ed.). Wadsworth Pub.

Chicago Style (17th ed.) Citation

Lefrancois, Guy R. The Lifespan. 4th ed. Belmont, Calif: Wadsworth Pub, 1993.

MLA (9th ed.) Citation

Lefrancois, Guy R. The Lifespan. 4th ed. Wadsworth Pub, 1993.

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