APA (7th ed.) Citation

Williams, U. H. (1940). A study of the species of Panicum in College Station, Texas and vicinity. [publisher not identified].

Chicago Style (17th ed.) Citation

Williams, Ulrich Howard. A Study of the Species of Panicum in College Station, Texas and Vicinity. (College Station, Texas): [publisher not identified], 1940.

MLA (9th ed.) Citation

Williams, Ulrich Howard. A Study of the Species of Panicum in College Station, Texas and Vicinity. [publisher not identified], 1940.