APA (7th ed.) Citation

Van Alfen, P. G. (2004). A simple souvenir: Coins and medals of the Olympic Games. American Numismatic Soc. [u.a.].

Chicago Style (17th ed.) Citation

Van Alfen, Peter G. A Simple Souvenir: Coins and Medals of the Olympic Games. New York: American Numismatic Soc. [u.a.], 2004.

MLA (9th ed.) Citation

Van Alfen, Peter G. A Simple Souvenir: Coins and Medals of the Olympic Games. American Numismatic Soc. [u.a.], 2004.