APA (7th ed.) Citation

Barth, R. H., & Broshears, R. E. (1982). The invertebrate world. Saunders College Pub.

Chicago Style (17th ed.) Citation

Barth, Robert H., and Robert E. Broshears. The Invertebrate World. Philadelphia, Pa: Saunders College Pub, 1982.

MLA (9th ed.) Citation

Barth, Robert H., and Robert E. Broshears. The Invertebrate World. Saunders College Pub, 1982.