APA (7th ed.) Citation

Lohman, S. W., Foster, M. D., Shinn, L. A., & Williams, K. T. (1937). Ground water in northeastern Pennsylvania. Pa. Dept. of Internal Affairs, Topographic and Geologic Survey.

Chicago Style (17th ed.) Citation

Lohman, S. W., Margaret D. Foster, Leo A. Shinn, and Kenneth Thurman Williams. Ground Water in Northeastern Pennsylvania. Harrisburg: Pa. Dept. of Internal Affairs, Topographic and Geologic Survey, 1937.

MLA (9th ed.) Citation

Lohman, S. W., et al. Ground Water in Northeastern Pennsylvania. Pa. Dept. of Internal Affairs, Topographic and Geologic Survey, 1937.