APA (7th ed.) Citation

Campbell, L. (1981). Effects of three grazing systems on quail on the Northern Rio Grande Plain, Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Campbell, Linda. Effects of Three Grazing Systems on Quail on the Northern Rio Grande Plain, Texas. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Campbell, Linda. Effects of Three Grazing Systems on Quail on the Northern Rio Grande Plain, Texas. [publisher not identified], 1981.