APA (7th ed.) Citation

Watcyn-Jones, P. (1985). Test your vocabulary: Book 4. Penguin.

Chicago Style (17th ed.) Citation

Watcyn-Jones, Peter. Test Your Vocabulary: Book 4. Harmondsworth: Penguin, 1985.

MLA (9th ed.) Citation

Watcyn-Jones, Peter. Test Your Vocabulary: Book 4. Penguin, 1985.

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