APA (7th ed.) Citation

Biber, D. (1999). Longman grammar of spoken and written English. Longman.

Chicago Style (17th ed.) Citation

Biber, Douglas. Longman Grammar of Spoken and Written English. Harlow, Essex, England: Longman, 1999.

MLA (9th ed.) Citation

Biber, Douglas. Longman Grammar of Spoken and Written English. Longman, 1999.

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