APA (7th ed.) Citation

Blackwelder, R. E. (1967). Taxonomy: A text and reference book. Wiley.

Chicago Style (17th ed.) Citation

Blackwelder, Richard E. Taxonomy: A Text and Reference Book. New York: Wiley, 1967.

MLA (9th ed.) Citation

Blackwelder, Richard E. Taxonomy: A Text and Reference Book. Wiley, 1967.