Cita APA (7th ed.)
Zumdahl, S. S. (1995). Chemical principles (2nd ed.). D.C. Heath.
Cita Chicago (17th ed.)
Zumdahl, Steven S. Chemical Principles. 2nd ed. Lexington, Mass.: D.C. Heath, 1995.
Cita MLA (9th ed.)
Zumdahl, Steven S. Chemical Principles. 2nd ed. D.C. Heath, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.