APA (7th ed.) Citation

Twain, M. (2006). Mark Twain speaking. University of Iowa Press.

Chicago Style (17th ed.) Citation

Twain, Mark. Mark Twain Speaking. Iowa City: University of Iowa Press, 2006.

MLA (9th ed.) Citation

Twain, Mark. Mark Twain Speaking. University of Iowa Press, 2006.

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