APA (7th ed.) Citation

Procter, P. (1978). Longman dictionary of contemporary english. Longman.

Chicago Style (17th ed.) Citation

Procter, Paul. Longman Dictionary of Contemporary English. Longman, 1978.

MLA (8th ed.) Citation

Procter, Paul. Longman Dictionary of Contemporary English. Longman, 1978.

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