Cita APA (7a ed.)

Bengtson, N., & Van Royen, W. (1950). Fundamentals of Economic Geography. Prentice-Hall.

Cita Chicago Style (17a ed.)

Bengtson, Nels, y William Van Royen. Fundamentals of Economic Geography. New York: Prentice-Hall, 1950.

Cita MLA (9a ed.)

Bengtson, Nels, y William Van Royen. Fundamentals of Economic Geography. Prentice-Hall, 1950.