APA (7th ed.) Citation

U. S. Library of Congress. (1941). Magna carta: The Lincoln cathedral copy exhibited in the Library of Congress, November 28, 1939 ... [programme].

Chicago Style (17th ed.) Citation

U. S. Library of Congress. Magna Carta: The Lincoln Cathedral Copy Exhibited in the Library of Congress, November 28, 1939 ... [programme]. Washington, D. C, 1941.

MLA (9th ed.) Citation

U. S. Library of Congress. Magna Carta: The Lincoln Cathedral Copy Exhibited in the Library of Congress, November 28, 1939 ... [programme]. 1941.