Cita APA

Nicholson, H. J., & Nicholson, R. L. (1979). Distant hunger: Agriculture, food, and human values. West Lafayette, Indiana: Purdue University.

Citación estilo Chicago

Nicholson, Heather Johnston, y Ralph L. Nicholson. Distant Hunger: Agriculture, Food, and Human Values. West Lafayette, Indiana: Purdue University, 1979.

Cita MLA

Nicholson, Heather Johnston, y Ralph L. Nicholson. Distant Hunger: Agriculture, Food, and Human Values. West Lafayette, Indiana: Purdue University, 1979.