APA (7th ed.) Citation

Everhart, W. H., Eipper, A. W., & Youngs, W. D. Principles of fishery science.

Chicago Style (17th ed.) Citation

Everhart, Watson Harry, Alfred W. Eipper, and William D. Youngs. Principles of Fishery Science.

MLA (9th ed.) Citation

Everhart, Watson Harry, et al. Principles of Fishery Science.