APA (7th ed.) Citation

Longman. (1987). Longman active study dictionary of english. Longman.

Chicago Style (17th ed.) Citation

Longman. Longman Active Study Dictionary of English. Essex: Longman, 1987.

MLA (8th ed.) Citation

Longman. Longman Active Study Dictionary of English. Longman, 1987.

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