APA (7th ed.) Zitazioa

Roll, E. (1956). A history of economic thought (3rd ed.). Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Roll, Erich. A History of Economic Thought. 3rd ed. Englewood Cliffs: Prentice-Hall, 1956.

MLA (9th ed.) Zitazioa

Roll, Erich. A History of Economic Thought. 3rd ed. Prentice-Hall, 1956.