APA (7th ed.) Citation

Taft, W. H. (1969). William H. Taft papers. Library of Congress.

Chicago Style (17th ed.) Citation

Taft, William H. William H. Taft Papers. Washington, D.C.: Library of Congress, 1969.

MLA (9th ed.) Citation

Taft, William H. William H. Taft Papers. Library of Congress, 1969.