Cita APA

Douglas, R. (1983). 1939 [Nineteen-thirtynine]: A retrospect forty years after : proceedings of a conference held at the University of Surrey 27 October 1979. Macmillan.

Citación estilo Chicago

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

Cita MLA

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