APA (7th ed.) Citation

Wagenknecht, E. (1961). Mark Twain: The man and his work (New and rev. ed.). University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Wagenknecht, Edward. Mark Twain: The Man and His Work. New and rev. ed. Norman: University of Oklahoma Press, 1961.

MLA (9th ed.) Citation

Wagenknecht, Edward. Mark Twain: The Man and His Work. New and rev. ed. University of Oklahoma Press, 1961.