Cita APA (7th ed.)

Camp, W. G., & Donahue, R. L. (1994). Environmental science: For agriculture and the life sciences. Delmar Publishers.

Cita Chicago (17th ed.)

Camp, William G., i Roy Luther Donahue. Environmental Science: For Agriculture and the Life Sciences. Albany, NY: Delmar Publishers, 1994.

Cita MLA (9th ed.)

Camp, William G., i Roy Luther Donahue. Environmental Science: For Agriculture and the Life Sciences. Delmar Publishers, 1994.