Cita APA (7a ed.)

Desautels, P. E., & Boltin, L. (1976). The gem kingdom. Random House.

Cita Chicago Style (17a ed.)

Desautels, Paul E., y Lee Boltin. The Gem Kingdom. New York: Random House, 1976.

Cita MLA (9a ed.)

Desautels, Paul E., y Lee Boltin. The Gem Kingdom. Random House, 1976.