APA (7th ed.) Citation

Lefrançois, G. R. (1990). The lifespan / Guy R. Lefrançois (3rd ed.). Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

Lefrançois, Guy R. The Lifespan / Guy R. Lefrançois. 3rd ed. Belmont, Calif.: Wadsworth Pub. Co, 1990.

MLA (9th ed.) Citation

Lefrançois, Guy R. The Lifespan / Guy R. Lefrançois. 3rd ed. Wadsworth Pub. Co, 1990.

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