Cita APA (7th ed.)

Ruppert, E. E., Barnes, R. D., & Fox, R. S. (2004). Invertebrate zoology: Functional evolutionary approach (Seventh edition.). AUWSF (021179).

Cita Chicago (17th ed.)

Ruppert, Edward E., Robert D. Barnes, i Richard S. Fox. Invertebrate Zoology: Functional Evolutionary Approach. Seventh edition. Belmont: AUWSF (021179), 2004.

Cita MLA (9th ed.)

Ruppert, Edward E., et al. Invertebrate Zoology: Functional Evolutionary Approach. Seventh edition. AUWSF (021179), 2004.