Citazione Stile APA (7a Edizione)

Heyne, P. T., & Johnson, T. (1976). Toward economic understanding. Science Research Associates.

Citazione stile Chigago Style (17a edizione)

Heyne, Paul T., e Thomas Johnson. Toward Economic Understanding. Chicago: Science Research Associates, 1976.

Citatione MLA (9a ed.)

Heyne, Paul T., e Thomas Johnson. Toward Economic Understanding. Science Research Associates, 1976.