APA (7th ed.) Citation

Lefrançois, G. R. (1999). The lifespan (Sixth edition.). Wadsworth Publishing Company.

Chicago Style (17th ed.) Citation

Lefrançois, Guy R. The Lifespan. Sixth edition. Belmont, California: Wadsworth Publishing Company, 1999.

MLA (9th ed.) Citation

Lefrançois, Guy R. The Lifespan. Sixth edition. Wadsworth Publishing Company, 1999.

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