APA (7th ed.) Citation

(1927). Income tax forms, Revenue Act of 1926. GPO.

Chicago Style (17th ed.) Citation

Income Tax Forms, Revenue Act of 1926. [Washington]: GPO, 1927.

MLA (9th ed.) Citation

Income Tax Forms, Revenue Act of 1926. GPO, 1927.

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