APA

Donnelly F. P., . (1920). The art of interesting: its theory and practice for speakers and writers. New York: P. J. Kenedy & sons.

Chicago

Donnelly Francis Patrick, . 1920. The art of interesting: its theory and practice for speakers and writers. New York: P. J. Kenedy & sons.

Harvard

Donnelly F. P., . (1920). The art of interesting: its theory and practice for speakers and writers. New York: P. J. Kenedy & sons.

MLA

Donnelly Francis Patrick, . The art of interesting: its theory and practice for speakers and writers. New York: P. J. Kenedy & sons. 1920.