Cita APA (7th ed.)
Lovering, T. S. (1947). Minerals in world affairs. Prentice-Hall.
Cita Chicago (17th ed.)
Lovering, Thomas Steward. Minerals in World Affairs. New York: Prentice-Hall, 1947.
Cita MLA (9th ed.)
Lovering, Thomas Steward. Minerals in World Affairs. Prentice-Hall, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.