APA (7th ed.) Citation

(1947). Usage and abusage: A guide to English. Penguin Books.

Chicago Style (17th ed.) Citation

Usage and Abusage: A Guide to English. Harmondsworth: Penguin Books, 1947.

MLA (9th ed.) Citation

Usage and Abusage: A Guide to English. Penguin Books, 1947.

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