Cita APA (7a ed.)

QUIRK, R., & GREENBAUM, S. (1982). A University grammar of English. Longman Limited Group.

Cita Chicago Style (17a ed.)

QUIRK, Randolph, y Sidney GREENBAUM. A University Grammar of English. Harlow: Longman Limited Group, 1982.

Cita MLA (9a ed.)

QUIRK, Randolph, y Sidney GREENBAUM. A University Grammar of English. Longman Limited Group, 1982.