APA (7th ed.) Citation

Arnold, G. W., Campbell, N. A., & Pahl, P. J. (1981). The effect of age and bred on diet selection by sheep. Div.

Chicago Style (17th ed.) Citation

Arnold, G. W., N. A. Campbell, and P. J. Pahl. The Effect of Age and Bred on Diet Selection by Sheep. Melbourne: Div, 1981.

MLA (9th ed.) Citation

Arnold, G. W., et al. The Effect of Age and Bred on Diet Selection by Sheep. Div, 1981.