APA (7th ed.) Citation

Watcyn-Jones, P. (1990). Test your English idioms. Penguin.

Chicago Style (17th ed.) Citation

Watcyn-Jones, Peter. Test Your English Idioms. London: Penguin, 1990.

MLA (9th ed.) Citation

Watcyn-Jones, Peter. Test Your English Idioms. Penguin, 1990.

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