APA-Zitierstil (7. Ausg.)

Leonard, S. A. (1932). Current English usage ([Mikrofilm-Ausg.].). Pub. for the National council of teachers of English, the Inland Press.

Chicago-Zitierstil (17. Ausg.)

Leonard, Sterling Andrus. Current English Usage. [Mikrofilm-Ausg.]. Chicago: Pub. for the National council of teachers of English, the Inland Press, 1932.

MLA-Zitierstil (9. Ausg.)

Leonard, Sterling Andrus. Current English Usage. [Mikrofilm-Ausg.]. Pub. for the National council of teachers of English, the Inland Press, 1932.