APA (7th ed.) Citation

Flesch, R. (1964). The ABC of style: A guide to plain English ([1st ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Flesch, Rudolf. The ABC of Style: A Guide to Plain English. [1st ed.]. New York: Harper & Row, 1964.

MLA (9th ed.) Citation

Flesch, Rudolf. The ABC of Style: A Guide to Plain English. [1st ed.]. Harper & Row, 1964.