APA (7th ed.) Citation

Boulding, K. E., & Singel, L. D. (1973). Political economy. Colorado Associated University Press.

Chicago Style (17th ed.) Citation

Boulding, Kenneth Ewart, and Larry Duane Singel. Political Economy. Boulder, Colo: Colorado Associated University Press, 1973.

MLA (9th ed.) Citation

Boulding, Kenneth Ewart, and Larry Duane Singel. Political Economy. Colorado Associated University Press, 1973.