APA (7th ed.) Citation

United States. Department of the Interior. (1932). Regulations relative to sulphur production. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Regulations Relative to Sulphur Production. [Washington]: [publisher not identified], 1932.

MLA (9th ed.) Citation

United States. Department of the Interior. Regulations Relative to Sulphur Production. [publisher not identified], 1932.

Warning: These citations may not always be 100% accurate.