APA

Levenstein A., . (1962). Why people work: changing incentives in a troubled world. New York: Crowell-Collier Press.

Chicago

Levenstein Aaron, . 1962. Why people work: changing incentives in a troubled world. New York: Crowell-Collier Press.

Harvard

Levenstein A., . (1962). Why people work: changing incentives in a troubled world. New York: Crowell-Collier Press.

MLA

Levenstein Aaron, . Why people work: changing incentives in a troubled world. New York: Crowell-Collier Press. 1962.