APA (7th ed.) Citation
Flesch, R. (1949). The art of readable writing. Harper.
Chicago Style (17th ed.) Citation
Flesch, Rudolf. The Art of Readable Writing. New York: Harper, 1949.
MLA (9th ed.) Citation
Flesch, Rudolf. The Art of Readable Writing. Harper, 1949.
Warning: These citations may not always be 100% accurate.