Cita APA (7th ed.)

Roepke, H. G. (1967). Readings in economic geography. John Wiley.

Cita Chicago (17th ed.)

Roepke, Howerd G. Readings in Economic Geography. New York: John Wiley, 1967.

Cita MLA (9th ed.)

Roepke, Howerd G. Readings in Economic Geography. John Wiley, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.