APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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