Citazione Stile APA (7a Edizione)

(1975). Today's nonfiction best sellers. Reader's Digest Association.

Citazione stile Chigago Style (17a edizione)

Today's Nonfiction Best Sellers. New York: Reader's Digest Association, 1975.

Citatione MLA (9a ed.)

Today's Nonfiction Best Sellers. Reader's Digest Association, 1975.