APA (7th ed.) Citation

Gardner, J. A. A., Dunkin, A. C., & Lloyd, L. C. (1990). Pig production in Australia (2nd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Gardner, J. A. A., A. C. Dunkin, and L. C. Lloyd. Pig Production in Australia. 2nd ed. Sydney ; Boston: Butterworths, 1990.

MLA (9th ed.) Citation

Gardner, J. A. A., et al. Pig Production in Australia. 2nd ed. Butterworths, 1990.