Cita APA (7a ed.)

Flesch, R. F. (1964). The ABC of style ; a guide to plain English. Harper & Row.

Cita Chicago Style (17a ed.)

Flesch, Rudolf Franz. The ABC of Style ; a Guide to Plain English. New York: Harper & Row, 1964.

Cita MLA (9a ed.)

Flesch, Rudolf Franz. The ABC of Style ; a Guide to Plain English. Harper & Row, 1964.