Cita APA (7a ed.)

Quirk, R., & Greenbaum, S. (1998). A univeristy grammar of english. Addison Wesley Longman.

Cita Chicago Style (17a ed.)

Quirk, Randolph, y Sidney Greenbaum. A Univeristy Grammar of English. Harlow: Addison Wesley Longman, 1998.

Cita MLA (8a ed.)

Quirk, Randolph, y Sidney Greenbaum. A Univeristy Grammar of English. Addison Wesley Longman, 1998.