Cita APA (7a ed.)

(1985). The Penguin English dictionary: [1985-86]. Penguin Books.

Cita Chicago Style (17a ed.)

The Penguin English Dictionary: [1985-86]. Harmondsworth: Penguin Books, 1985.

Cita MLA (9a ed.)

The Penguin English Dictionary: [1985-86]. Penguin Books, 1985.