APA (7th ed.) Citation

Kopp, M. (2014). Earth science: Sinkholes. AV by Weigl.

Chicago Style (17th ed.) Citation

Kopp, Megan. Earth Science: Sinkholes. New York: AV by Weigl, 2014.

MLA (9th ed.) Citation

Kopp, Megan. Earth Science: Sinkholes. AV by Weigl, 2014.

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