Cita APA

Adams, J. 1., & Wells, S. W. (1950). Teach yourself German: A book of self-instruction in German (13th imp.). London: The English Universities Press.

Citación estilo Chicago

Adams, John 1857-1934, and Sydney W. Wells. Teach Yourself German: A Book of Self-instruction in German. 13th imp. London: The English Universities Press, 1950.

Cita MLA

Adams, John 1857-1934, and Sydney W. Wells. Teach Yourself German: A Book of Self-instruction in German. 13th imp. London: The English Universities Press, 1950.