Cita APA (7a ed.)

Christie, E. W. H. (1951). The Antartic problem. Allen & Unwin.

Cita Chicago Style (17a ed.)

Christie, E. W. Hunter. The Antartic Problem. London: Allen & Unwin, 1951.

Cita MLA (9a ed.)

Christie, E. W. Hunter. The Antartic Problem. Allen & Unwin, 1951.