APA (7th ed.) Citation

Lee, W., Nickell, C. O., Williams, J. S., & Henbest, L. G. (1938). Stratigraphic and paleontologic studies of the Pennsylvanian and Permian rocks in north-central Texas. The University.

Chicago Style (17th ed.) Citation

Lee, Wallace, Clarence O. Nickell, James Steele Williams, and Lloyd G. Henbest. Stratigraphic and Paleontologic Studies of the Pennsylvanian and Permian Rocks in North-central Texas. Austin, Tex.: The University, 1938.

MLA (8th ed.) Citation

Lee, Wallace, et al. Stratigraphic and Paleontologic Studies of the Pennsylvanian and Permian Rocks in North-central Texas. The University, 1938.