Cita APA (7a ed.)

Tuchman, B. W. (1979). A distant mirror: The calamitous 14th century. Ballantine Books.

Cita Chicago Style (17a ed.)

Tuchman, Barbara Wertheim. A Distant Mirror: The Calamitous 14th Century. New York: Ballantine Books, 1979.

Cita MLA (9a ed.)

Tuchman, Barbara Wertheim. A Distant Mirror: The Calamitous 14th Century. Ballantine Books, 1979.