APA (7th ed.) Citation

Sellards, E. H., Adkins, W. S., & Plummer, F. B. (1933). The geology of Texas. The University.

Chicago Style (17th ed.) Citation

Sellards, E. H., W. S. Adkins, and F. B. Plummer. The Geology of Texas. Austin, Tex.: The University, 1933.

MLA (9th ed.) Citation

Sellards, E. H., et al. The Geology of Texas. The University, 1933.