APA (7th ed.) Citation

Greg, W. W. (1970). Principles of emendation in Shakespeare. Folcroft Press.

Chicago Style (17th ed.) Citation

Greg, W. W. Principles of Emendation in Shakespeare. [Folcroft, Pa.]: Folcroft Press, 1970.

MLA (8th ed.) Citation

Greg, W. W. Principles of Emendation in Shakespeare. Folcroft Press, 1970.