Cita APA (7th ed.)

Tortora, G. J., & Becker, J. F. (1978). Life science (2d ed.). Macmillan Collier Macmillan.

Cita Chicago (17th ed.)

Tortora, Gerard J., i Joseph F. Becker. Life Science. 2d ed. New York, London: Macmillan Collier Macmillan, 1978.

Cita MLA (9th ed.)

Tortora, Gerard J., i Joseph F. Becker. Life Science. 2d ed. Macmillan Collier Macmillan, 1978.