Boyer, P. S. (1968). Purity in print: The vice-society movement and book censorship in America. Scribner.
Cita Chicago (17th ed.)Boyer, Paul S. Purity in Print: The Vice-society Movement and Book Censorship in America. New York: Scribner, 1968.
Cita MLA (8th ed.)Boyer, Paul S. Purity in Print: The Vice-society Movement and Book Censorship in America. Scribner, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.