APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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