APA (7th ed.) Citation

Alexander, G. (1951). General zoology (4a. ed.). Barnes & Noble.

Chicago Style (17th ed.) Citation

Alexander, Gordon. General Zoology. 4a. ed. Nueva York: Barnes & Noble, 1951.

MLA (9th ed.) Citation

Alexander, Gordon. General Zoology. 4a. ed. Barnes & Noble, 1951.