Cita APA (7th ed.)
Singer, F. L. (1954). Engineering mechanics (2nd ed.). Harper & Row.
Cita Chicago (17th ed.)
Singer, Ferdinand L. Engineering Mechanics. 2nd ed. New York: Harper & Row, 1954.
Cita MLA (9th ed.)
Singer, Ferdinand L. Engineering Mechanics. 2nd ed. Harper & Row, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.