Cita APA (7th ed.)
Timm, J. A. (1956). General Chemistry. McGraw-Hill.
Cita Chicago (17th ed.)
Timm, John Arrend. General Chemistry. Nueva York, EUA: McGraw-Hill, 1956.
Cita MLA (9th ed.)
Timm, John Arrend. General Chemistry. McGraw-Hill, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.