Cita APA

Drucker, P. F. (1971). Men, ideas & politics: Essays. New York: Harper & Row.

Chicago Style Citation

Drucker, Peter F. Men, Ideas & Politics: Essays. New York: Harper & Row, 1971.

Cita MLA

Drucker, Peter F. Men, Ideas & Politics: Essays. New York: Harper & Row, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.