APA Style

Hearn, Chester G., Dorr, Robert F.. (2015). Air force : an illustrated history : the U.S. Air Force from the 1910s to the twenty-first century . Princeton, New Jersey: Minneapolis : Zenith Press, 2012..

Chicago Style

Hearn, Chester G., Dorr, Robert F.. Air force : an illustrated history : the U.S. Air Force from the 1910s to the twenty-first century. Princeton, New Jersey: Minneapolis : Zenith Press, 2012., 2015. Text.

MLA Style

Hearn, Chester G., Dorr, Robert F.. Air force : an illustrated history : the U.S. Air Force from the 1910s to the twenty-first century. Princeton, New Jersey: Minneapolis : Zenith Press, 2012., 2015. Text.

Turabian Style

Hearn, Chester G., Dorr, Robert F.. Air force : an illustrated history : the U.S. Air Force from the 1910s to the twenty-first century. Princeton, New Jersey: Minneapolis : Zenith Press, 2012., 2015. Print.