APA (7th ed.) Citation

Clark, E. L., Beveridge, T. R., McCracken, E., & Spreng, A. C. (1952). Guide book, sixteenth regional field conference, the Kansas Geological Society, west-central Missouri. [publisher not identified].

Chicago Style (17th ed.) Citation

Clark, Edward Lee, Thomas R. Beveridge, Earl McCracken, and A. C. Spreng. Guide Book, Sixteenth Regional Field Conference, the Kansas Geological Society, West-central Missouri. Rolla: [publisher not identified], 1952.

MLA (9th ed.) Citation

Clark, Edward Lee, et al. Guide Book, Sixteenth Regional Field Conference, the Kansas Geological Society, West-central Missouri. [publisher not identified], 1952.