APA (7th ed.) Citation

(2010). Lincoln Tells A Joke: How Laughter Saved The President(And The Country). Houghton Mifflin Harcourt.

Chicago Style (17th ed.) Citation

Lincoln Tells A Joke: How Laughter Saved The President(And The Country). USA: Houghton Mifflin Harcourt, 2010.

MLA (9th ed.) Citation

Lincoln Tells A Joke: How Laughter Saved The President(And The Country). Houghton Mifflin Harcourt, 2010.

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