Cita APA (7th ed.)

Partridge, E. (1999). Usage and abusage: A guide to good english (3a. ed.). Penguin Books.

Cita Chicago (17th ed.)

Partridge, Eric. Usage and Abusage: A Guide to Good English. 3a. ed. Harmondsworth: Penguin Books, 1999.

Cita MLA (9th ed.)

Partridge, Eric. Usage and Abusage: A Guide to Good English. 3a. ed. Penguin Books, 1999.