APA (7th ed.) Citation

Library of Congress. Manuscript Division. (1962). Irving Langmuir: A register of his papers in the Library of Congress.

Chicago Style (17th ed.) Citation

Library of Congress. Manuscript Division. Irving Langmuir: A Register of His Papers in the Library of Congress. Washington, 1962.

MLA (9th ed.) Citation

Library of Congress. Manuscript Division. Irving Langmuir: A Register of His Papers in the Library of Congress. 1962.