Cita APA (7a ed.)

Drucker, P. F. (1977). Men, ideas and politics. Harper Colophon Books.

Cita Chicago Style (17a ed.)

Drucker, Peter Ferdinand. Men, Ideas and Politics. New York ; Hargerstown ; San Francisco ; London: Harper Colophon Books, 1977.

Cita MLA (9a ed.)

Drucker, Peter Ferdinand. Men, Ideas and Politics. Harper Colophon Books, 1977.