Style de citation APA (7e éd.)

(1939). The world over: 1938: A chronological and interpretive survey of the year of tension. Harrison-Hilton Books.

Style de citation Chicago (17e éd.)

The World over: 1938: A Chronological and Interpretive Survey of the Year of Tension. New York: Harrison-Hilton Books, 1939.

Style de citation MLA (8e éd.)

The World over: 1938: A Chronological and Interpretive Survey of the Year of Tension. Harrison-Hilton Books, 1939.