APA (7th ed.) Citation

Kaplan, J. (1982). Mark Twain and his world. Crescent Books.

Chicago Style (17th ed.) Citation

Kaplan, Justin. Mark Twain and His World. New York: Crescent Books, 1982.

MLA (9th ed.) Citation

Kaplan, Justin. Mark Twain and His World. Crescent Books, 1982.

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