APA (7th ed.) Citation

Coe, G. D., Hager, H. J., Richardson, A. C., & Shotts, R. Q. (1932). Re-treatment of fine washed coal from Black Creek and Mary Lee beds on coal washing tables. [publisher not identified].

Chicago Style (17th ed.) Citation

Coe, G. Dale, H. J. Hager, A. C. Richardson, and Reynold Q. Shotts. Re-treatment of Fine Washed Coal from Black Creek and Mary Lee Beds on Coal Washing Tables. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Coe, G. Dale, et al. Re-treatment of Fine Washed Coal from Black Creek and Mary Lee Beds on Coal Washing Tables. [publisher not identified], 1932.