APA (7th ed.) Citation

Doerner, H. A. (1930). Processes for extracting radium from carnotite. [publisher not identified].

Chicago Style (17th ed.) Citation

Doerner, H. A. Processes for Extracting Radium from Carnotite. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Doerner, H. A. Processes for Extracting Radium from Carnotite. [publisher not identified], 1930.