Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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