Cita APA (7th ed.)

Goldsby, R. A., & Bell, C. R. (1976). Biology. Harper & Row.

Cita Chicago (17th ed.)

Goldsby, Richard A., i C. Ritchie Bell. Biology. New York: Harper & Row, 1976.

Cita MLA (8th ed.)

Goldsby, Richard A., i C. Ritchie Bell. Biology. Harper & Row, 1976.