Cita APA (7a ed.)

Brewer, D. (1984). An introduction to Chaucer. Longman.

Cita Chicago Style (17a ed.)

Brewer, Derek. An Introduction to Chaucer. London [etc.]: Longman, 1984.

Cita MLA (9a ed.)

Brewer, Derek. An Introduction to Chaucer. Longman, 1984.