APA (7. basım) Alıntı

New York University. Institute of Economic Affairs. Challenge: The magazine of economic affairs. Institute of Economic Affairs, New York University.

Chicago Style (17. basım) Atıf

New York University. Institute of Economic Affairs. Challenge: The Magazine of Economic Affairs. 1952-1967: New York: Institute of Economic Affairs, New York University.

MLA (9th ed.) Atıf

New York University. Institute of Economic Affairs. Challenge: The Magazine of Economic Affairs. Institute of Economic Affairs, New York University.