APA (7th ed.) Citation

Biber, D. (1999). Longman grammar of spoken and written English / Douglas Biber ... [et al.]. Longman.

Chicago Style (17th ed.) Citation

Biber, Douglas. Longman Grammar of Spoken and Written English / Douglas Biber ... [et Al.]. Harlow: Longman, 1999.

MLA (9th ed.) Citation

Biber, Douglas. Longman Grammar of Spoken and Written English / Douglas Biber ... [et Al.]. Longman, 1999.

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