Cita APA (7a ed.)

Biber, D., Johansson, S., Leech, G. N., Conrad, S., & Finegan, E. (2021). Grammar of spoken and written English. John Benjamins Publishing Company.

Cita Chicago Style (17a ed.)

Biber, Douglas, Stig Johansson, Geoffrey N. Leech, Susan Conrad, y Edward Finegan. Grammar of Spoken and Written English. Amsterdam ; Philadelphia: John Benjamins Publishing Company, 2021.

Cita MLA (8a ed.)

Biber, Douglas, et al. Grammar of Spoken and Written English. John Benjamins Publishing Company, 2021.