APA (7th ed.) Citation

Williams, C. J. F. (1981). What is existence? Clarendon Press.

Chicago Style (17th ed.) Citation

Williams, Christopher John Fards. What Is Existence? Oxford: Clarendon Press, 1981.

MLA (8th ed.) Citation

Williams, Christopher John Fards. What Is Existence? Clarendon Press, 1981.

Warning: These citations may not always be 100% accurate.