APA (7th ed.) Citation

Gruzensky, P. M., & Block, F. E. (1957). Preparation of high-purity electrolytic chromium. United States Bureau of Mines. Reports of Investigations, 5305, 1.

Chicago Style (17th ed.) Citation

Gruzensky, P. M., and F. E. Block. "Preparation of High-purity Electrolytic Chromium." United States Bureau of Mines. Reports of Investigations 5305 (1957): 1.

MLA (9th ed.) Citation

Gruzensky, P. M., and F. E. Block. "Preparation of High-purity Electrolytic Chromium." United States Bureau of Mines. Reports of Investigations, vol. 5305, 1957, p. 1.