Petersen, W. (1956). American social patterns: Studies of race relations, popular heroes, voting, union democracy, and government bureaucracy ([First edition].). Doubleday.
Cita Chicago Style (17a ed.)Petersen, William. American Social Patterns: Studies of Race Relations, Popular Heroes, Voting, Union Democracy, and Government Bureaucracy. [First edition]. Garden City, New York: Doubleday, 1956.
Cita MLA (9a ed.)Petersen, William. American Social Patterns: Studies of Race Relations, Popular Heroes, Voting, Union Democracy, and Government Bureaucracy. [First edition]. Doubleday, 1956.
Precaución: Estas citas no son 100% exactas.