APA (7th ed.) Citation

Syme, G. J., & Syme, L. A. (1979). Social structure in farm animals. Elsevier Scientific.

Chicago Style (17th ed.) Citation

Syme, G. J., and L. A. Syme. Social Structure in Farm Animals. Amsterdam: Elsevier Scientific, 1979.

MLA (9th ed.) Citation

Syme, G. J., and L. A. Syme. Social Structure in Farm Animals. Elsevier Scientific, 1979.