APA (7th ed.) Citation

United States. Department of the Interior. (1931). Rule 7, circular of Apr. 24, 1907 (35 L.D. 681-2), amended. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Rule 7, Circular of Apr. 24, 1907 (35 L.D. 681-2), Amended. [Washington]: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Department of the Interior. Rule 7, Circular of Apr. 24, 1907 (35 L.D. 681-2), Amended. [publisher not identified], 1931.