APA (7th ed.) Citation

Library of Congress. (1928). Classification: Class U, Military science. U.S. GPO.

Chicago Style (17th ed.) Citation

Library of Congress. Classification: Class U, Military Science. Washington: U.S. GPO, 1928.

MLA (9th ed.) Citation

Library of Congress. Classification: Class U, Military Science. U.S. GPO, 1928.

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