APA (7th ed.) Citation

Mackie, J. L., Mackie, J., & Mackie, P. (1985). Logic and knowledge. Clarendon Press.

Chicago Style (17th ed.) Citation

Mackie, J. L., Joan Mackie, and Penelope Mackie. Logic and Knowledge. Oxford [Oxfordshire] ; New York: Clarendon Press, 1985.

MLA (9th ed.) Citation

Mackie, J. L., et al. Logic and Knowledge. Clarendon Press, 1985.