APA (7th ed.) Citation

Partridge, E. (1969). Usage and abusage: A guide to good English. Penguin Books.

Chicago Style (17th ed.) Citation

Partridge, Eric. Usage and Abusage: A Guide to Good English. Harmondsworth, Eng.: Penguin Books, 1969.

MLA (9th ed.) Citation

Partridge, Eric. Usage and Abusage: A Guide to Good English. Penguin Books, 1969.

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