Citazione Stile APA (7a Edizione)

Heilbroner, R. L., Singer, A., & Bauer, N. W. (1978). The development of American economic life. Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

Heilbroner, Robert L., Aaron Singer, e Nancy W. Bauer. The Development of American Economic Life. Orlando [u.a.]: Harcourt Brace Jovanovich, 1978.

Citatione MLA (9a ed.)

Heilbroner, Robert L., et al. The Development of American Economic Life. Harcourt Brace Jovanovich, 1978.