APA (7th ed.) Citation

Heaton, J. B., & Turton, N. D. (1987). Longman dictionary of common errors. Essex.

Chicago Style (17th ed.) Citation

Heaton, J. B., and N. D. Turton. Longman Dictionary of Common Errors. Harlow: Essex, 1987.

MLA (9th ed.) Citation

Heaton, J. B., and N. D. Turton. Longman Dictionary of Common Errors. Essex, 1987.