APA (7th ed.) Citation

Pearson Education. (2011). Longman, study dictionary of american english (Second edition.). Pearson Education.

Chicago Style (17th ed.) Citation

Pearson Education. Longman, Study Dictionary of American English. Second edition. England: Pearson Education, 2011.

MLA (9th ed.) Citation

Pearson Education. Longman, Study Dictionary of American English. Second edition. Pearson Education, 2011.