APA Edition Citation

Simpson, G. G. (1961). Principles of animal taxonomy. Oxford book co.

Chicago Edition Citation

Simpson, George Gaylord. Principles of Animal Taxonomy. Calcutta: Oxford book co, 1961.

MLA Edition Citation

Simpson, George Gaylord. Principles of Animal Taxonomy. Oxford book co, 1961.

Warning: These citations may not always be 100% accurate.