Cita APA

Bengtson, N. A. n. 1., & Royen, W. v. (1942). Fundamentals of economic geograghy. New York, New York: Prentice Hall.

Citación estilo Chicago

Bengtson, Nels August n. 1879, y Willem van Royen. Fundamentals of Economic Geograghy. New York, New York: Prentice Hall, 1942.

Cita MLA

Bengtson, Nels August n. 1879, y Willem van Royen. Fundamentals of Economic Geograghy. New York, New York: Prentice Hall, 1942.