APA (7th ed.) Citation

Von Engeln, O. D. (1924). The Story Key to geographic names. Appleton.

Chicago Style (17th ed.) Citation

Von Engeln, O. D. The Story Key to Geographic Names. New York ; London: Appleton, 1924.

MLA (9th ed.) Citation

Von Engeln, O. D. The Story Key to Geographic Names. Appleton, 1924.

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