APA (7th ed.) Citation

District of Columbia. Public Library. (1928). How to use card catalogue. U.S. GPO.

Chicago Style (17th ed.) Citation

District of Columbia. Public Library. How to Use Card Catalogue. Washington: U.S. GPO, 1928.

MLA (9th ed.) Citation

District of Columbia. Public Library. How to Use Card Catalogue. U.S. GPO, 1928.

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