Cita APA

Brown, H. S. (1954). The challenge of man's future: An inquiry concerning the condition of man during the years that lie ahead. Viking Press.

Citación estilo Chicago

Brown, Harrison Scott. The Challenge of Man's Future: An Inquiry Concerning the Condition of Man During the Years That Lie Ahead. New York: Viking Press, 1954.

Cita MLA

Brown, Harrison Scott. The Challenge of Man's Future: An Inquiry Concerning the Condition of Man During the Years That Lie Ahead. Viking Press, 1954.