Cita APA (7th ed.)
Brown, T. L., Bursten, B. E., & LeMay, H. E. (1991). Chemistry: The central science (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)
Brown, Theodore L., Bruce Edward Bursten, i H. Eugene LeMay. Chemistry: The Central Science. 5th ed. Englewood Cliffs, NJ: Prentice Hall, 1991.
Cita MLA (9th ed.)
Brown, Theodore L., et al. Chemistry: The Central Science. 5th ed. Prentice Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.