Cita APA (7a ed.)

Hartshorn, T. A. (2004). Economic geography. Prentice-Hall.

Cita Chicago Style (17a ed.)

Hartshorn, Truman A. Economic Geography. New Delhi: Prentice-Hall, 2004.

Cita MLA (9a ed.)

Hartshorn, Truman A. Economic Geography. Prentice-Hall, 2004.