APA引文
Flesch, R. F. (1949). The art of readable writing. ([1st ed.].). Harper.
Chicago Style (17th ed.) Citation
Flesch, Rudolf Franz. The Art of Readable Writing. [1st ed.]. New York: Harper, 1949.
MLA引文
Flesch, Rudolf Franz. The Art of Readable Writing. [1st ed.]. Harper, 1949.
警告：這些引文格式不一定是100％准確.