APA (7th ed.) Citation

Everhart, W. H., & Youngs, W. D. (1981). Principles of fishery science (2d ed.). Comstock Pub. Associates.

Chicago Style (17th ed.) Citation

Everhart, W. Harry, and William D. Youngs. Principles of Fishery Science. 2d ed. Ithaca: Comstock Pub. Associates, 1981.

MLA (9th ed.) Citation

Everhart, W. Harry, and William D. Youngs. Principles of Fishery Science. 2d ed. Comstock Pub. Associates, 1981.