Citação norma APA

Flesch, R. F. (1960). How to write, speak and think more effectively. New York: New American Library.

Citação norma Chicago

Flesch, Rudolf Franz. How to Write, Speak and Think More Effectively. New York: New American Library, 1960.

Citação norma MLA

Flesch, Rudolf Franz. How to Write, Speak and Think More Effectively. New York: New American Library, 1960.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.