Cita APA

Harcourt, P. d. (1967). The Real Enemy. Longmans, Green and Co LTD.

Citación estilo Chicago

Harcourt, Pierre d'. The Real Enemy. London: Longmans, Green and Co LTD, 1967.

Cita MLA

Harcourt, Pierre d'. The Real Enemy. Longmans, Green and Co LTD, 1967.