Cita APA (7th ed.)

Ebert, J. D., & Loewy, A. G. (1973). Biology. Holt, Rinehart and Winston, Inc.

Cita Chicago (17th ed.)

Ebert, James D., i Ariel G. Loewy. Biology. New York: Holt, Rinehart and Winston, Inc, 1973.

Cita MLA (9th ed.)

Ebert, James D., i Ariel G. Loewy. Biology. Holt, Rinehart and Winston, Inc, 1973.