Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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