ProQuest (Firm), & Carvalho, W. M. (2009). U.S. coins: The price of a penny. New York: Nova Science Publishers.
Chicago Style CitationProQuest (Firm), and Walter M. Carvalho. U.S. Coins: The Price of a Penny. New York: Nova Science Publishers, 2009.
MLA CitationProQuest (Firm), and Walter M. Carvalho. U.S. Coins: The Price of a Penny. New York: Nova Science Publishers, 2009.
Warning: These citations may not always be 100% accurate.