Citazione Stile APA (7a Edizione)

Flesch, R. (1949). The art of readable writing. Collier Books.

Citazione stile Chigago Style (17a edizione)

Flesch, Rudolf. The Art of Readable Writing. Nueva York: Collier Books, 1949.

Citatione MLA (9a ed.)

Flesch, Rudolf. The Art of Readable Writing. Collier Books, 1949.