APA (7th ed.) Citation

Watcyn-Jones, P., & Allsop, J. (1990). Test your prepositions (1.publ.). Penguin Books.

Chicago Style (17th ed.) Citation

Watcyn-Jones, Peter, and Jake Allsop. Test Your Prepositions. 1.publ. Harmondsworth [u.a.]: Penguin Books, 1990.

MLA (9th ed.) Citation

Watcyn-Jones, Peter, and Jake Allsop. Test Your Prepositions. 1.publ. Penguin Books, 1990.

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