APA (7th ed.) Citation

Avins, S., Greenwald, H. P., Howarth, H. C., & Rice, G. S. (1931). Concrete stoppings in coal mines for resisting explosions: Detailed tests of typical stoppings and strength of coal as buttress. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Avins, Styra, H. P. Greenwald, H. C. Howarth, and George S. Rice. Concrete Stoppings in Coal Mines for Resisting Explosions: Detailed Tests of Typical Stoppings and Strength of Coal as Buttress. [Washington?]: U.S. Government Printing Office, 1931.

MLA (9th ed.) Citation

Avins, Styra, et al. Concrete Stoppings in Coal Mines for Resisting Explosions: Detailed Tests of Typical Stoppings and Strength of Coal as Buttress. U.S. Government Printing Office, 1931.