APA (7th ed.) Citation

Washburn, A. L. (1997). Plugs and plug circles: A basic form of patterned ground, Cornwallis Island, Arctic Canada : origin and implications. Geological Society of America.

Chicago Style (17th ed.) Citation

Washburn, A. L. Plugs and Plug Circles: A Basic Form of Patterned Ground, Cornwallis Island, Arctic Canada : Origin and Implications. Boulder, Colo.: Geological Society of America, 1997.

MLA (8th ed.) Citation

Washburn, A. L. Plugs and Plug Circles: A Basic Form of Patterned Ground, Cornwallis Island, Arctic Canada : Origin and Implications. Geological Society of America, 1997.

Warning: These citations may not always be 100% accurate.