APA (7th ed.) Citation

Partridge, E., & Clark, J. W. (1998). You have a point there: A guide to punctuation and its allies. Routledge.

Chicago Style (17th ed.) Citation

Partridge, Eric, and John W. Clark. You Have a Point There: A Guide to Punctuation and Its Allies. London: Routledge, 1998.

MLA (9th ed.) Citation

Partridge, Eric, and John W. Clark. You Have a Point There: A Guide to Punctuation and Its Allies. Routledge, 1998.