APA (7th ed.) Citation

Tuchman, B. W. (1978). A distant mirror: The calamitous 14th century. Knopf.

Chicago Style (17th ed.) Citation

Tuchman, Barbara Wertheim. A Distant Mirror: The Calamitous 14th Century. New York: Knopf, 1978.

MLA (8th ed.) Citation

Tuchman, Barbara Wertheim. A Distant Mirror: The Calamitous 14th Century. Knopf, 1978.

Warning: These citations may not always be 100% accurate.