APA (7th ed.) Citation

Rasmussen, R. K. (2007). Critical companion to Mark Twain: A literary reference to his life and work (Expanded ed.). Facts On File.

Chicago Style (17th ed.) Citation

Rasmussen, R. Kent. Critical Companion to Mark Twain: A Literary Reference to His Life and Work. Expanded ed. New York: Facts On File, 2007.

MLA (9th ed.) Citation

Rasmussen, R. Kent. Critical Companion to Mark Twain: A Literary Reference to His Life and Work. Expanded ed. Facts On File, 2007.