APA (7th ed.) Citation

Harrison, D. L. (1970). The world of American caves. Reilly & Lee Books.

Chicago Style (17th ed.) Citation

Harrison, David L. The World of American Caves. [Chicago, Ill.]: Reilly & Lee Books, 1970.

MLA (9th ed.) Citation

Harrison, David L. The World of American Caves. Reilly & Lee Books, 1970.

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