Cita APA (7th ed.)

Perkins, D. (2002). Mineralogy (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Perkins, Dexter. Mineralogy. 2nd ed. Upper Saddle River, N.J: Prentice-Hall, 2002.

Cita MLA (9th ed.)

Perkins, Dexter. Mineralogy. 2nd ed. Prentice-Hall, 2002.