Cita APA (7th ed.)

Ekelund, R. B., Furubotn, E. G., & Gramm, P. (1972). The evolution of modern demand theory: A collection of essays. Lexington Books.

Cita Chicago (17th ed.)

Ekelund, Robert B., Eirik Grundtvig Furubotn, i Phil Gramm. The Evolution of Modern Demand Theory: A Collection of Essays. Lexington, Mass.: Lexington Books, 1972.

Cita MLA (8th ed.)

Ekelund, Robert B., et al. The Evolution of Modern Demand Theory: A Collection of Essays. Lexington Books, 1972.