Cita APA (7th ed.)
Horne, R. A. (1978). The Chemistry of our environment. Wiley.
Cita Chicago (17th ed.)
Horne, Ralph Albert. The Chemistry of Our Environment. New York: Wiley, 1978.
Cita MLA (9th ed.)
Horne, Ralph Albert. The Chemistry of Our Environment. Wiley, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.