Cita APA (7th ed.)

Ladoo, R. B., & Myers, W. M. (1951). Nonmetallic minerals (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Ladoo, Raymond Bardeen, i William Marsh Myers. Nonmetallic Minerals. 2nd ed. New York: McGraw-Hill, 1951.

Cita MLA (9th ed.)

Ladoo, Raymond Bardeen, i William Marsh Myers. Nonmetallic Minerals. 2nd ed. McGraw-Hill, 1951.