APA (7th ed.) Citation

Coolidge, C. (1929). The autobiography of Calvin Coolidge. Cosmopolitan book corporation.

Chicago Style (17th ed.) Citation

Coolidge, Calvin. The Autobiography of Calvin Coolidge. New York: Cosmopolitan book corporation, 1929.

MLA (9th ed.) Citation

Coolidge, Calvin. The Autobiography of Calvin Coolidge. Cosmopolitan book corporation, 1929.

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