Cita APA (7th ed.)

Young, J. A. (1963). Chemical concepts: A self-instructional programed manual / J.A. Young. Addison-Wesley Publishing Company.

Cita Chicago (17th ed.)

Young, J. A. Chemical Concepts: A Self-instructional Programed Manual / J.A. Young. Reading, Mass.: Addison-Wesley Publishing Company, 1963.

Cita MLA (9th ed.)

Young, J. A. Chemical Concepts: A Self-instructional Programed Manual / J.A. Young. Addison-Wesley Publishing Company, 1963.