APA

Flesch R. F., . (1972). Say what you mean. New York: Harper & Row.

Chicago

Flesch Rudolf Franz, . 1972. Say what you mean. New York: Harper & Row.

Harvard

Flesch R. F., . (1972). Say what you mean. New York: Harper & Row.

MLA

Flesch Rudolf Franz, . Say what you mean. New York: Harper & Row. 1972.