APA (7th ed.) Citation

Raven, P. H., & Johnson, G. B. (1995). Understanding biology (3rd ed.). Brown.

Chicago Style (17th ed.) Citation

Raven, Peter H., and George B. Johnson. Understanding Biology. 3rd ed. Dubuque, IA: Brown, 1995.

MLA (9th ed.) Citation

Raven, Peter H., and George B. Johnson. Understanding Biology. 3rd ed. Brown, 1995.