Cytowanie według stylu APA (wyd. 7)

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.

Cytowanie według stylu Chicago (wyd. 17)

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.

Cytowanie według stylu MLA (wyd. 9)

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.