APA
Carey C. W., Friedman I. C., . (2010). American inventors, entrepreneurs, and business visionaries. New York: Facts On File.
Chicago
Carey Charles W, Friedman Ian C, . 2010. American inventors, entrepreneurs, and business visionaries. New York: Facts On File.
Harvard
Carey C. W., Friedman I. C., . (2010). American inventors, entrepreneurs, and business visionaries. New York: Facts On File.
MLA
Carey Charles W, Friedman Ian C, . American inventors, entrepreneurs, and business visionaries. New York: Facts On File. 2010.