Cita APA (7a ed.)

Allaby, M. (1977). World food resources: Actual and potential. Applied Science Publishers.

Cita Chicago Style (17a ed.)

Allaby, Michael. World Food Resources: Actual and Potential. London: Applied Science Publishers, 1977.

Cita MLA (8a ed.)

Allaby, Michael. World Food Resources: Actual and Potential. Applied Science Publishers, 1977.