Cita APA (7th ed.)

Hepler, L. G. (1964). Chemical principles. Blaisedell.

Cita Chicago (17th ed.)

Hepler, Loren G. Chemical Principles. New York: Blaisedell, 1964.

Cita MLA (9th ed.)

Hepler, Loren G. Chemical Principles. Blaisedell, 1964.