Cita APA

Erskine, J., & Erskine, H. (1913). Written English: A guide to the rules of composition (Rev. ed.). The Century Co..

Citación estilo Chicago

Erskine, John, and Hellen Erskine. Written English: A Guide to the Rules of Composition. Rev. ed. New York: The Century Co., 1913.

Cita MLA

Erskine, John, and Hellen Erskine. Written English: A Guide to the Rules of Composition. Rev. ed. The Century Co., 1913.