APA (7th ed.) Citation

Stewart, R. E., & Kantrud, H. A. (1971). Classification of natural ponds and lakes in the glaciated prairie region. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Stewart, Robert E., and Harold A. Kantrud. Classification of Natural Ponds and Lakes in the Glaciated Prairie Region. Washington, DC: US Gov. Print. Off, 1971.

MLA (9th ed.) Citation

Stewart, Robert E., and Harold A. Kantrud. Classification of Natural Ponds and Lakes in the Glaciated Prairie Region. US Gov. Print. Off, 1971.