APA (7th ed.) Citation

Sanborn, M. (1990). Mark Twain: The bachelor years ; a biography (1. ed.). Doubleday.

Chicago Style (17th ed.) Citation

Sanborn, Margaret. Mark Twain: The Bachelor Years ; a Biography. 1. ed. New York u.a: Doubleday, 1990.

MLA (9th ed.) Citation

Sanborn, Margaret. Mark Twain: The Bachelor Years ; a Biography. 1. ed. Doubleday, 1990.