APA (7th ed.) Citation

Lübke, A. (1958). The world of caves ([1st American edition].). Coward-McCann.

Chicago Style (17th ed.) Citation

Lübke, Anton. The World of Caves. [1st American edition]. New York: Coward-McCann, 1958.

MLA (9th ed.) Citation

Lübke, Anton. The World of Caves. [1st American edition]. Coward-McCann, 1958.

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