APA (7th ed.) Citation

Library of Congress. (1939). Catalogue of publications in Braille, grade 1℗ư, January, 1938. [s.n.].

Chicago Style (17th ed.) Citation

Library of Congress. Catalogue of Publications in Braille, Grade 1℗ư, January, 1938. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

Library of Congress. Catalogue of Publications in Braille, Grade 1℗ư, January, 1938. [s.n.], 1939.