APA (7th ed.) Citation

Heyn, E., & Grossmann, M. A. (1925). Physical metallography. Wiley.

Chicago Style (17th ed.) Citation

Heyn, E., and M. A. Grossmann. Physical Metallography. New York: Wiley, 1925.

MLA (9th ed.) Citation

Heyn, E., and M. A. Grossmann. Physical Metallography. Wiley, 1925.