Cita APA (7th ed.)
Kerr, P. F. (1959). Optical mineralogy. (3rd ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Kerr, Paul F. Optical Mineralogy. 3rd ed. New York: McGraw-Hill, 1959.
Cita MLA (9th ed.)
Kerr, Paul F. Optical Mineralogy. 3rd ed. McGraw-Hill, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.