Cita APA

Winchell, A. N. (1968). Elements of optical minerology: Introduction to microscopic petrography (5th ed.). Wiley Eastearn.

Chicago Edition Citation

Winchell, Alexander N. Elements of Optical Minerology: Introduction to Microscopic Petrography. 5th ed. New Delhi: Wiley Eastearn, 1968.

Cita MLA

Winchell, Alexander N. Elements of Optical Minerology: Introduction to Microscopic Petrography. 5th ed. Wiley Eastearn, 1968.