Citazione Stile APA (7a Edizione)

Reader's Digest Association. (2006). Laughter the best medicine: A laugh-out-loud collection of our funniest jokes, quotes, stories, and cartoons (Deluxe ed.; rev. and expanded.). Reader's Digest.

Citazione stile Chigago Style (17a edizione)

Reader's Digest Association. Laughter the Best Medicine: A Laugh-out-loud Collection of Our Funniest Jokes, Quotes, Stories, and Cartoons. Deluxe ed.; rev. and expanded. Pleasantville, NY: Reader's Digest, 2006.

Citatione MLA (9a ed.)

Reader's Digest Association. Laughter the Best Medicine: A Laugh-out-loud Collection of Our Funniest Jokes, Quotes, Stories, and Cartoons. Deluxe ed.; rev. and expanded. Reader's Digest, 2006.