APA (7th ed.) Citation

Reagan, R. (2011). An American life / Ronald Reagan (1st Threhold Editions trade pbk.ed.). Threshold Editions.

Chicago Style (17th ed.) Citation

Reagan, Ronald. An American Life / Ronald Reagan. 1st Threhold Editions trade pbk.ed. New York: Threshold Editions, 2011.

MLA (9th ed.) Citation

Reagan, Ronald. An American Life / Ronald Reagan. 1st Threhold Editions trade pbk.ed. Threshold Editions, 2011.

Warning: These citations may not always be 100% accurate.