Cita APA (7th ed.)

Desautels, P. E., & Boltin, L. (1968). The mineral kingdom. Madison Square Press.

Cita Chicago (17th ed.)

Desautels, Paul E., i Lee Boltin. The Mineral Kingdom. New York: Madison Square Press, 1968.

Cita MLA (9th ed.)

Desautels, Paul E., i Lee Boltin. The Mineral Kingdom. Madison Square Press, 1968.