APA (7th ed.) Citation

Bourn, W. S., & Cottam, C. (1950). Some biological effects of ditching tidewater marshes. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Bourn, Warren Scudder, and Clarence Cottam. Some Biological Effects of Ditching Tidewater Marshes. Washington: Govt. Print. Off, 1950.

MLA (9th ed.) Citation

Bourn, Warren Scudder, and Clarence Cottam. Some Biological Effects of Ditching Tidewater Marshes. Govt. Print. Off, 1950.