APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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