APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Raven, Peter H., Linda R. Berg, and George B. Johnson. Environment. Fort Worth [u. a.]: Saunders College Publ, 1993.

MLA (9th ed.) Citation

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