Cita APA

Hartshorn, T. A., & Alexander , J. W. (2004). Economic geography (3rd ed.). Prentice-Hall.

Citación estilo Chicago

Hartshorn, Truman A., and John W. Alexander. Economic Geography. 3rd ed. New Delhi: Prentice-Hall, 2004.

Cita MLA

Hartshorn, Truman A., and John W. Alexander. Economic Geography. 3rd ed. Prentice-Hall, 2004.