Cita APA (7th ed.)

Keenan, C. W. (1980). General college chemistry (6th ed.). GMS Pub.

Cita Chicago (17th ed.)

Keenan, Charles W. General College Chemistry. 6th ed. Quezon City: GMS Pub, 1980.

Cita MLA (9th ed.)

Keenan, Charles W. General College Chemistry. 6th ed. GMS Pub, 1980.