Cita APA (7a ed.)

UNESCO & Williams-Ellis, A. (1951). A food and people geography. Univ. of London Press.

Cita Chicago Style (17a ed.)

UNESCO y Amabel Williams-Ellis. A Food and People Geography. London: Univ. of London Press, 1951.

Cita MLA (9a ed.)

UNESCO y Amabel Williams-Ellis. A Food and People Geography. Univ. of London Press, 1951.