APA (7th ed.) Citation

Buchsbaum, R. M. (1948). Animals without backbones: An introduction to the invertebrates (Rev. ed.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Buchsbaum, Ralph Morris. Animals Without Backbones: An Introduction to the Invertebrates. Rev. ed. Chicago: University of Chicago Press, 1948.

MLA (9th ed.) Citation

Buchsbaum, Ralph Morris. Animals Without Backbones: An Introduction to the Invertebrates. Rev. ed. University of Chicago Press, 1948.