APA (7th ed.) Citation

Quirk, R. (1992). Longman dictionary of contemporary English ([2. ed.], 15. impr.). Longman.

Chicago Style (17th ed.) Citation

Quirk, Randolph. Longman Dictionary of Contemporary English. [2. ed.], 15. impr. Harlow: Longman, 1992.

MLA (9th ed.) Citation

Quirk, Randolph. Longman Dictionary of Contemporary English. [2. ed.], 15. impr. Longman, 1992.