Cita APA (7th ed.)
Gillespie, R. J. (1989). Chemistry (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)
Gillespie, Ronald J. Chemistry. 2nd ed. Boston: Allyn and Bacon, 1989.
Cita MLA (9th ed.)
Gillespie, Ronald J. Chemistry. 2nd ed. Allyn and Bacon, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.