Cita APA (7th ed.)
Carnegie, D., & Carnegie, D. (1962). The quick and easy way to effective speaking. Association Press.
Cita Chicago (17th ed.)
Carnegie, Dale, i Dorothy Carnegie. The Quick and Easy Way to Effective Speaking. New York: Association Press, 1962.
Cita MLA (9th ed.)
Carnegie, Dale, i Dorothy Carnegie. The Quick and Easy Way to Effective Speaking. Association Press, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.