APA (7th ed.) Citation

Watcyn-Jones, P. (1996). Test your vocabulary ([New ed.].). Penguin Books.

Chicago Style (17th ed.) Citation

Watcyn-Jones, Peter. Test Your Vocabulary. [New ed.]. London: Penguin Books, 1996.

MLA (9th ed.) Citation

Watcyn-Jones, Peter. Test Your Vocabulary. [New ed.]. Penguin Books, 1996.