APA (7th ed.) Citation

Biber, D., & Douglas, B. (2004). Student Grammar of Spoken and Written English. Longman.

Chicago Style (17th ed.) Citation

Biber, Douglas, and Biber Douglas. Student Grammar of Spoken and Written English. Longman, 2004.

MLA (8th ed.) Citation

Biber, Douglas, and Biber Douglas. Student Grammar of Spoken and Written English. Longman, 2004.

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