APA (7th ed.) Citation

Swanson, D. W. (1988). Effects of cattle grazing systems on shrub-grassland birds in south Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Swanson, Douglas Wayne. Effects of Cattle Grazing Systems on Shrub-grassland Birds in South Texas. [Place of publication not identified]: [publisher not identified], 1988.

MLA (9th ed.) Citation

Swanson, Douglas Wayne. Effects of Cattle Grazing Systems on Shrub-grassland Birds in South Texas. [publisher not identified], 1988.