APA (7th ed.) Citation

Gulland, D. M., & Hinds-Howell, D. (1986). The Penguin dictionary of English idioms (1a. ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Gulland, Daphne M., and David Hinds-Howell. The Penguin Dictionary of English Idioms. 1a. ed. Londres: Penguin Books, 1986.

MLA (9th ed.) Citation

Gulland, Daphne M., and David Hinds-Howell. The Penguin Dictionary of English Idioms. 1a. ed. Penguin Books, 1986.