APA-referens

Ekelund, R. B. H. R. F. (1988). History of economic theory and method (2 edition.). McGraw-Hill Book Company.

Chicago-stil citat

Ekelund, Robert B; Hebert Robert F. History of Economic Theory and Method. 2 edition. New York: McGraw-Hill Book Company, 1988.

MLA-referens

Ekelund, Robert B; Hebert Robert F. History of Economic Theory and Method. 2 edition. McGraw-Hill Book Company, 1988.