Cita APA (7th ed.)

Ajit Ram Verma. (1966). Polymorphism and polytypism in crystals. Wiley.

Cita Chicago (17th ed.)

Ajit Ram Verma. Polymorphism and Polytypism in Crystals. New York: Wiley, 1966.

Cita MLA (9th ed.)

Ajit Ram Verma. Polymorphism and Polytypism in Crystals. Wiley, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.