APA (7th ed.) Citation

Biber, D., Conrad, S., & Leech, G. N. (2005). Longman student grammar of spoken and written English (5. impr.). Longman.

Chicago Style (17th ed.) Citation

Biber, Douglas, Susan Conrad, and Geoffrey N. Leech. Longman Student Grammar of Spoken and Written English. 5. impr. Harlow, Essex: Longman, 2005.

MLA (9th ed.) Citation

Biber, Douglas, et al. Longman Student Grammar of Spoken and Written English. 5. impr. Longman, 2005.