Cita APA (7th ed.)

Hill, J. W. (1992). Chemistry for changing times (6th ed.). Macmillan.

Cita Chicago (17th ed.)

Hill, John W. Chemistry for Changing Times. 6th ed. New York: Macmillan, 1992.

Cita MLA (9th ed.)

Hill, John W. Chemistry for Changing Times. 6th ed. Macmillan, 1992.