APA (7th ed.) Citation

Buchsbaum, R. (1948). Animals without backbones: An introduction to the invertebrates (Segunda edición.). The University of Chicago Press.

Chicago Style (17th ed.) Citation

Buchsbaum, Ralph. Animals Without Backbones: An Introduction to the Invertebrates. Segunda edición. Chicago, USA: The University of Chicago Press, 1948.

MLA (9th ed.) Citation

Buchsbaum, Ralph. Animals Without Backbones: An Introduction to the Invertebrates. Segunda edición. The University of Chicago Press, 1948.