APA (7th ed.) Citation

Raven, P. H., Berg, L. R., & Johnson, G. B. (1993). Environment. Saunders College Pub.

Chicago Style (17th ed.) Citation

Raven, Peter H., Linda R. Berg, and George Brooks Johnson. Environment. Fort Worth, TX: Saunders College Pub, 1993.

MLA (9th ed.) Citation

Raven, Peter H., et al. Environment. Saunders College Pub, 1993.