Cita APA (7th ed.)

Sullivan, K. (1987). The crystal handbook. Signet Book.

Cita Chicago (17th ed.)

Sullivan, Kevin. The Crystal Handbook. New York: Signet Book, 1987.

Cita MLA (9th ed.)

Sullivan, Kevin. The Crystal Handbook. Signet Book, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.