APA (7th ed.) Citation

Butterfield, C. H. (1987). Foraging area selection as influenced by environment and short-duration grazing on Post Oak Savanna. [publisher not identified].

Chicago Style (17th ed.) Citation

Butterfield, Charles H. Foraging Area Selection as Influenced by Environment and Short-duration Grazing on Post Oak Savanna. [Place of publication not identified]: [publisher not identified], 1987.

MLA (9th ed.) Citation

Butterfield, Charles H. Foraging Area Selection as Influenced by Environment and Short-duration Grazing on Post Oak Savanna. [publisher not identified], 1987.