Cita APA (7th ed.)

Carnegie, D. (1949). Dale Carnegie's five minute biographies. Permabooks.

Cita Chicago (17th ed.)

Carnegie, Dale. Dale Carnegie's Five Minute Biographies. New York: Permabooks, 1949.

Cita MLA (9th ed.)

Carnegie, Dale. Dale Carnegie's Five Minute Biographies. Permabooks, 1949.