APA (7th ed.) Citation

Kintz, G. M. (1930). Practical application and cost of proper rock-dusting. [publisher not identified].

Chicago Style (17th ed.) Citation

Kintz, G. M. Practical Application and Cost of Proper Rock-dusting. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Kintz, G. M. Practical Application and Cost of Proper Rock-dusting. [publisher not identified], 1930.