APA (7th ed.) Citation

Putnam, H. D., Brezonik, P. L., & Shannon, E. E. (1972). Eutrophication factors in north central Florida lakes. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Putnam, Hugh D., Patrick L. Brezonik, and Earl E. Shannon. Eutrophication Factors in North Central Florida Lakes. Washington, DC: US Gov. Print. Off, 1972.

MLA (9th ed.) Citation

Putnam, Hugh D., et al. Eutrophication Factors in North Central Florida Lakes. US Gov. Print. Off, 1972.