APA (7th ed.) Citation

Biber, Leech, & Conrad. (2002). Longman student grammar of spoken and written english. Pearson Education.

Chicago Style (17th ed.) Citation

Biber, Leech, and Conrad. Longman Student Grammar of Spoken and Written English. Harlow: Pearson Education, 2002.

MLA (8th ed.) Citation

Biber, et al. Longman Student Grammar of Spoken and Written English. Pearson Education, 2002.

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