APA (7th ed.) Citation

Hall, N., & Shepheard, J. (1993). Help with words. Heinemann.

Chicago Style (17th ed.) Citation

Hall, Nick, and John Shepheard. Help with Words. Oxford u.a: Heinemann, 1993.

MLA (9th ed.) Citation

Hall, Nick, and John Shepheard. Help with Words. Heinemann, 1993.

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