Citazione Stile APA (7a Edizione)

Flesch, R. F. (1974). The art of readable writing: With the Flesch readability formula (25th anniversary ed., rev. and enl.). Harper & Row.

Citazione stile Chigago Style (17a edizione)

Flesch, Rudolf Franz. The Art of Readable Writing: With the Flesch Readability Formula. 25th anniversary ed., rev. and enl. New York: Harper & Row, 1974.

Citatione MLA (9a ed.)

Flesch, Rudolf Franz. The Art of Readable Writing: With the Flesch Readability Formula. 25th anniversary ed., rev. and enl. Harper & Row, 1974.