APA (7th ed.) Citation

Twain, M. (1924). Mark Twain autobiography. Harper & Brothers Publ.

Chicago Style (17th ed.) Citation

Twain, Mark. Mark Twain Autobiography. New York [u.a.]: Harper & Brothers Publ, 1924.

MLA (9th ed.) Citation

Twain, Mark. Mark Twain Autobiography. Harper & Brothers Publ, 1924.

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