Citazione Stile APA (7a Edizione)

Hartshorn, T. A., & Alexander, J. W. (2000). Economic Geography (3rd ed.). Prentice Hall of India Private Limited.

Citazione stile Chigago Style (17a edizione)

Hartshorn, Truman A., e John W. Alexander. Economic Geography. 3rd ed. New Delhi: Prentice Hall of India Private Limited, 2000.

Citatione MLA (9a ed.)

Hartshorn, Truman A., e John W. Alexander. Economic Geography. 3rd ed. Prentice Hall of India Private Limited, 2000.