Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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