Cita APA (7th ed.)
Sienko, M. J., & Plane, R. A. (1961). Chemistry. McGraw-hill.
Cita Chicago (17th ed.)
Sienko, Michell J., i Robert A. Plane. Chemistry. New York: McGraw-hill, 1961.
Cita MLA (9th ed.)
Sienko, Michell J., i Robert A. Plane. Chemistry. McGraw-hill, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.