Citazione Stile APA (7a Edizione)

Clemen, W., & Sym, C. A. M. (1963). Chaucer's early poetry. Methuen.

Citazione stile Chigago Style (17a edizione)

Clemen, Wolfgang, e C. A. M. Sym. Chaucer's Early Poetry. London: Methuen, 1963.

Citatione MLA (9a ed.)

Clemen, Wolfgang, e C. A. M. Sym. Chaucer's Early Poetry. Methuen, 1963.