Citazione Stile APA (7a Edizione)

Robertson, D. W. (1962). A preface to Chaucer: Studies in medieval perspectives. Princeton University Press.

Citazione stile Chigago Style (17a edizione)

Robertson, D. W. A Preface to Chaucer: Studies in Medieval Perspectives. Princeton, N.J: Princeton University Press, 1962.

Citatione MLA (9a ed.)

Robertson, D. W. A Preface to Chaucer: Studies in Medieval Perspectives. Princeton University Press, 1962.