APA

Sykes N., . (19671946). The crisis of the Reformation. New York: W. W. Norton.

Chicago

Sykes Norman, . 19671946. The crisis of the Reformation. New York: W. W. Norton.

Harvard

Sykes N., . (19671946). The crisis of the Reformation. New York: W. W. Norton.

MLA

Sykes Norman, . The crisis of the Reformation. New York: W. W. Norton. 19671946.