Simpson, G. G. (1961). Principles of animal taxonomy. New York: Columbia Univ. Press.
Chicago Style CitationSimpson, George Gaylord. Principles of Animal Taxonomy. New York: Columbia Univ. Press, 1961.
MLA CitationSimpson, George Gaylord. Principles of Animal Taxonomy. New York: Columbia Univ. Press, 1961.
Warning: These citations may not always be 100% accurate.