APA

Tuchman (Barbara W), . (1978). A Distant Mirror The Calamitous 14th Century. : .

Chicago

Tuchman (Barbara W), . 1978. A Distant Mirror The Calamitous 14th Century. : .

Harvard

Tuchman (Barbara W), . (1978). A Distant Mirror The Calamitous 14th Century. : .

MLA

Tuchman (Barbara W), . A Distant Mirror The Calamitous 14th Century. : . 1978.