APA

Steel E. M., . (1950). Readable writing. New York: Macmillan.

Chicago

Steel Eric M, . 1950. Readable writing. New York: Macmillan.

Harvard

Steel E. M., . (1950). Readable writing. New York: Macmillan.

MLA

Steel Eric M, . Readable writing. New York: Macmillan. 1950.