Style de citation APA (7e éd.)

Ekelund, R. B., & Ekelund, R. B. (1975). A history of economic theory and method. McGraw-Hill.

Style de citation Chicago (17e éd.)

Ekelund, Robert Burton, et Robert B.;Herbert Ekelund. A History of Economic Theory and Method. McGraw-Hill, 1975.

Style de citation MLA (9e éd.)

Ekelund, Robert Burton, et Robert B.;Herbert Ekelund. A History of Economic Theory and Method. McGraw-Hill, 1975.