Cita APA (7a ed.)

Johnston, B. F., & Greaves, J. P. (1969). Manual on food and nutrition policy. Food and Agriculture Organization of the United Nations.

Cita Chicago Style (17a ed.)

Johnston, Bruce F., y John Peter Greaves. Manual on Food and Nutrition Policy. Rome: Food and Agriculture Organization of the United Nations, 1969.

Cita MLA (8a ed.)

Johnston, Bruce F., y John Peter Greaves. Manual on Food and Nutrition Policy. Food and Agriculture Organization of the United Nations, 1969.