APA (7th ed.) Citation

Barnes, R. D. (1968). Invertebrate zoology (2nd. ed.). W. B. Saunders.

Chicago Style (17th ed.) Citation

Barnes, Robert D. Invertebrate Zoology. 2nd. ed. Philadelphia: W. B. Saunders, 1968.

MLA (9th ed.) Citation

Barnes, Robert D. Invertebrate Zoology. 2nd. ed. W. B. Saunders, 1968.

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