Cita APA

Robert Allen. (2003). The penguin English dictionary. England: Penguin Books.

Chicago Style Citation

Robert Allen. The Penguin English Dictionary. England: Penguin Books, 2003.

Cita MLA

Robert Allen. The Penguin English Dictionary. England: Penguin Books, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.