APA (7th ed.) Citation

Hultgren, A. (1920). A metallographic study on tungsten steels. Wiley.

Chicago Style (17th ed.) Citation

Hultgren, Axel. A Metallographic Study on Tungsten Steels. New York, NY: Wiley, 1920.

MLA (9th ed.) Citation

Hultgren, Axel. A Metallographic Study on Tungsten Steels. Wiley, 1920.

Warning: These citations may not always be 100% accurate.