APA (7th ed.) Citation

Butts, A. (1943). Metallurgical problems (2a. ed.). Robert E. Krieger.

Chicago Style (17th ed.) Citation

Butts, Allison. Metallurgical Problems. 2a. ed. Nueva York: Robert E. Krieger, 1943.

MLA (9th ed.) Citation

Butts, Allison. Metallurgical Problems. 2a. ed. Robert E. Krieger, 1943.

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