Cita APA (7th ed.)

Kelly, A., & Nicholson, R. B. (1971). Strengthening methods in crystals. Elsevier Pub. Co..

Cita Chicago (17th ed.)

Kelly, A., i R. B. Nicholson. Strengthening Methods in Crystals. Amsterdam, New York: Elsevier Pub. Co., 1971.

Cita MLA (8th ed.)

Kelly, A., i R. B. Nicholson. Strengthening Methods in Crystals. Elsevier Pub. Co., 1971.

Atenció: Aquestes cites poden no estar 100% correctes.