Cita APA (7th ed.)
Chang, R. (1996). Essential chemistry. McGraw-Hill.
Cita Chicago (17th ed.)
Chang, Raymond. Essential Chemistry. New York: McGraw-Hill, 1996.
Cita MLA (9th ed.)
Chang, Raymond. Essential Chemistry. McGraw-Hill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.