Kopp, M. (2014). Earth science: Sinkholes. AV by Weigl.
Chicago Style (17th ed.) CitationKopp, Megan. Earth Science: Sinkholes. New York: AV by Weigl, 2014.
MLA (9th ed.) CitationKopp, Megan. Earth Science: Sinkholes. AV by Weigl, 2014.
Warning: These citations may not always be 100% accurate.