APA (7th ed.) Citation

International Sheep Breeding Congress, Tomes, G. J., Robertson, D. E., Lightfoot, R. J., & Haresign, W. (1979). Sheep breeding (2d ed.). Butterworths.

Chicago Style (17th ed.) Citation

International Sheep Breeding Congress, G. J. Tomes, D. E. Robertson, R. J. Lightfoot, and William Haresign. Sheep Breeding. 2d ed. London ; Boston: Butterworths, 1979.

MLA (8th ed.) Citation

International Sheep Breeding Congress, et al. Sheep Breeding. 2d ed. Butterworths, 1979.