APA (7th ed.) Citation

Tank, R. W. (1983). Focus on environmental geology. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Tank, Ronald Warren. Focus on Environmental Geology. NY: Oxford Univ. Press, 1983.

MLA (9th ed.) Citation

Tank, Ronald Warren. Focus on Environmental Geology. Oxford Univ. Press, 1983.

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