APA (7th ed.) Citation

Twain, M.. (1966). The adventures of Huckleberry Finn. Penguin Books.

Chicago Style (17th ed.) Citation

Twain, Mark. The Adventures of Huckleberry Finn. London: Penguin Books, 1966.

MLA (9th ed.) Citation

Twain, Mark. The Adventures of Huckleberry Finn. Penguin Books, 1966.

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