APA (7th ed.) Citation

Kolb, H. H. (2015). Mark Twain: The gift of humor. University Press Of America, Inc..

Chicago Style (17th ed.) Citation

Kolb, Harold H. Mark Twain: The Gift of Humor. Lanham: University Press Of America, Inc., 2015.

MLA (9th ed.) Citation

Kolb, Harold H. Mark Twain: The Gift of Humor. University Press Of America, Inc., 2015.