APA

Haines C. G., Hoffman R. J. S., . (1951). The origins and background of the second world war. New York: Oxford university press.

Chicago

Haines Charles Grove, Hoffman Ross John Swartz, . 1951. The origins and background of the second world war. New York: Oxford university press.

Harvard

Haines C. G., Hoffman R. J. S., . (1951). The origins and background of the second world war. New York: Oxford university press.

MLA

Haines Charles Grove, Hoffman Ross John Swartz, . The origins and background of the second world war. New York: Oxford university press. 1951.