Citazione APA

Flesch, R. (1958). A new way to better English ([1st ed.].). Harper.

Stile di citazione Chicago

Flesch, Rudolf. A New Way to Better English. [1st ed.]. New York: Harper, 1958.

Citazione MLA

Flesch, Rudolf. A New Way to Better English. [1st ed.]. Harper, 1958.