APA (7th ed.) Citation

Whitfield, G. J. N. (1963). An introduction to drama (2d ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Whitfield, George Joshua Newbold. An Introduction to Drama. 2d ed. London: Oxford University Press, 1963.

MLA (9th ed.) Citation

Whitfield, George Joshua Newbold. An Introduction to Drama. 2d ed. Oxford University Press, 1963.