APA (7th ed.) Citation

Halm, G. N. (1951). Economic systems: A comparative analysis (2. printing.). Rinehart.

Chicago Style (17th ed.) Citation

Halm, George N. Economic Systems: A Comparative Analysis. 2. printing. New York [u.a.]: Rinehart, 1951.

MLA (9th ed.) Citation

Halm, George N. Economic Systems: A Comparative Analysis. 2. printing. Rinehart, 1951.