APA (7th ed.) Citation

Harrington, D., Rice, G. S., & Sayers, R. R. (1927). Rock-dusting in coal mines. [publisher not identified].

Chicago Style (17th ed.) Citation

Harrington, D., George S. Rice, and R. R. Sayers. Rock-dusting in Coal Mines. Washington, D.C.: [publisher not identified], 1927.

MLA (9th ed.) Citation

Harrington, D., et al. Rock-dusting in Coal Mines. [publisher not identified], 1927.