APA (7th ed.) Citation

United States. Department of Commerce. (1939). 1939 supplement to the Digest of State laws relating to net income taxes, 1938. [s.n.].

Chicago Style (17th ed.) Citation

United States. Department of Commerce. 1939 Supplement to the Digest of State Laws Relating to Net Income Taxes, 1938. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Department of Commerce. 1939 Supplement to the Digest of State Laws Relating to Net Income Taxes, 1938. [s.n.], 1939.