Cita APA (7a ed.)

Hill, J. W., & Hill, C. S. (1992). Chemistry for changing times (6th ed.). Macmillan Pub. Co.

Cita Chicago Style (17a ed.)

Hill, John William, y Cynthia S. Hill. Chemistry for Changing Times. 6th ed. New York: Macmillan Pub. Co, 1992.

Cita MLA (9a ed.)

Hill, John William, y Cynthia S. Hill. Chemistry for Changing Times. 6th ed. Macmillan Pub. Co, 1992.