APA (7th ed.) Citation

United States. Department of the Interior. (1927). Some essentials of State's supervisory program for improvement of instruction. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Some Essentials of State's Supervisory Program for Improvement of Instruction. [Washington]: [publisher not identified], 1927.

MLA (9th ed.) Citation

United States. Department of the Interior. Some Essentials of State's Supervisory Program for Improvement of Instruction. [publisher not identified], 1927.