Cita APA (7a ed.)

Quirk, R. (1986). Words at work: Lectures on textual structure. Longman.

Cita Chicago Style (17a ed.)

Quirk, Randolph. Words at Work: Lectures on Textual Structure. [London]: Longman, 1986.

Cita MLA (9a ed.)

Quirk, Randolph. Words at Work: Lectures on Textual Structure. Longman, 1986.