Cita APA (7a ed.)

Grigg, D. (1985). The World food problem: 1950-1980. Basil Blackwell.

Cita Chicago Style (17a ed.)

Grigg, David. The World Food Problem: 1950-1980. Oxford, UK: Basil Blackwell, 1985.

Cita MLA (9a ed.)

Grigg, David. The World Food Problem: 1950-1980. Basil Blackwell, 1985.