Cita APA (7th ed.)

Ehlers, E. G. (1987). Optical mineralogy: Theory and technique. Blackwell Science.

Cita Chicago (17th ed.)

Ehlers, E. G. Optical Mineralogy: Theory and Technique. Palo Alto, Calif: Blackwell Science, 1987.

Cita MLA (9th ed.)

Ehlers, E. G. Optical Mineralogy: Theory and Technique. Blackwell Science, 1987.