Style de citation APA (7e éd.)

Coolidge, C. (1924). Address of President Coolidge at the National Conference on Outdoor Recreation at Washington, D.C., May 22, 1924. G.P.O..

Style de citation Chicago (17e éd.)

Coolidge, Calvin. Address of President Coolidge at the National Conference on Outdoor Recreation at Washington, D.C., May 22, 1924. Washington: G.P.O., 1924.

Style de citation MLA (8e éd.)

Coolidge, Calvin. Address of President Coolidge at the National Conference on Outdoor Recreation at Washington, D.C., May 22, 1924. G.P.O., 1924.