Cita APA (7th ed.)

Holmes, H. N. (1949). General chemistry (5a. ed.). Macmillan.

Cita Chicago (17th ed.)

Holmes, Harry N. General Chemistry. 5a. ed. Nueva York: Macmillan, 1949.

Cita MLA (9th ed.)

Holmes, Harry N. General Chemistry. 5a. ed. Macmillan, 1949.