Cita APA (7th ed.)
Sutermeister, R. A. (1963). People and productivity. McGraw-Hill.
Cita Chicago (17th ed.)
Sutermeister, Robert A. People and Productivity. New York: McGraw-Hill, 1963.
Cita MLA (9th ed.)
Sutermeister, Robert A. People and Productivity. McGraw-Hill, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.