APA (7th ed.) Citation

(1928). Amendatory Copyright Act, May 23, 1928. GPO.

Chicago Style (17th ed.) Citation

Amendatory Copyright Act, May 23, 1928. [Washington]: GPO, 1928.

MLA (9th ed.) Citation

Amendatory Copyright Act, May 23, 1928. GPO, 1928.

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