APA (7th ed.) Citation

(2009). Longman dictionary of contemporary english (New edition.). Pearson Education Limiter.

Chicago Style (17th ed.) Citation

Longman Dictionary of Contemporary English. New edition. England: Pearson Education Limiter, 2009.

MLA (8th ed.) Citation

Longman Dictionary of Contemporary English. New edition. Pearson Education Limiter, 2009.