Citazione Stile APA (7a Edizione)

Hartshorn, T. A., & Alexander, J. W. (1988). Economic Geography (3rd ed.). Prentice-Hall of India.

Citazione stile Chigago Style (17a edizione)

Hartshorn, Truman A., e John W. Alexander. Economic Geography. 3rd ed. New Delhi: Prentice-Hall of India, 1988.

Citatione MLA (9a ed.)

Hartshorn, Truman A., e John W. Alexander. Economic Geography. 3rd ed. Prentice-Hall of India, 1988.