APA (7th ed.) Citation

Douglas, R. (1983). 1939, a retrospect forty years after: Proceedings of a conference held at the University of Surrey, 27 October 1979. Macmillan.

Chicago Style (17th ed.) Citation

Douglas, Roy. 1939, a Retrospect Forty Years After: Proceedings of a Conference Held at the University of Surrey, 27 October 1979. London: Macmillan, 1983.

MLA (9th ed.) Citation

Douglas, Roy. 1939, a Retrospect Forty Years After: Proceedings of a Conference Held at the University of Surrey, 27 October 1979. Macmillan, 1983.