APA (7th ed.) Citation

Kingsbury, R., & Wellman, G. (1986). Longman advanced English: Coursebook. Longman.

Chicago Style (17th ed.) Citation

Kingsbury, Roy, and Guy Wellman. Longman Advanced English: Coursebook. Harlow: Longman, 1986.

MLA (9th ed.) Citation

Kingsbury, Roy, and Guy Wellman. Longman Advanced English: Coursebook. Longman, 1986.

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