Cita APA (7a ed.)

Flesch, R. F. (1949). The art of readable writing. ([1st ed.].). Harper.

Cita Chicago Style (17a ed.)

Flesch, Rudolf Franz. The Art of Readable Writing. [1st ed.]. New York: Harper, 1949.

Cita MLA (9a ed.)

Flesch, Rudolf Franz. The Art of Readable Writing. [1st ed.]. Harper, 1949.