APA (7th ed.) Citation

Myers, A. J., Jordan, L., Pate, J. D., & Williamson, S. R. (1959). Geology of Harper County, Oklahoma. [publisher not identified].

Chicago Style (17th ed.) Citation

Myers, Arthur John, Louise Jordan, J. Durwood Pate, and Sidney R. Williamson. Geology of Harper County, Oklahoma. Norman: [publisher not identified], 1959.

MLA (8th ed.) Citation

Myers, Arthur John, et al. Geology of Harper County, Oklahoma. [publisher not identified], 1959.