APA

Austin J. L., Warnock G. & Urmson J. (1979). Philosophical papers. Oxford: University Press.

Chicago

Austin John Langshaw, Warnock G.J and Urmson J.O. 1979. Philosophical papers. Oxford: University Press.

Harvard

Austin J. L., Warnock G. and Urmson J. (1979). Philosophical papers. Oxford: University Press.

MLA

Austin John Langshaw, Warnock G.J and Urmson J.O. Philosophical papers. Oxford: University Press. 1979.