APA
Clemens S. L., . (1906). Writings of Mark Twain, Vol.16: A Connecticut Yankee in King Arthur's Court. New York: Harper & Brother Publishers.
Chicago
Clemens Samuel L, . 1906. Writings of Mark Twain, Vol.16: A Connecticut Yankee in King Arthur's Court. New York: Harper & Brother Publishers.
Harvard
Clemens S. L., . (1906). Writings of Mark Twain, Vol.16: A Connecticut Yankee in King Arthur's Court. New York: Harper & Brother Publishers.
MLA
Clemens Samuel L, . Writings of Mark Twain, Vol.16: A Connecticut Yankee in King Arthur's Court. New York: Harper & Brother Publishers. 1906.