APA (7th ed.) Citation

Library of Congress. Service for the Blind. (1921). American braille; books in room for blind, Library of Congress. U.S. GPO.

Chicago Style (17th ed.) Citation

Library of Congress. Service for the Blind. American Braille; Books in Room for Blind, Library of Congress. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

Library of Congress. Service for the Blind. American Braille; Books in Room for Blind, Library of Congress. U.S. GPO, 1921.