Cita APA (7th ed.)
Gelb, I. J. (1963). A study of writing. University of Chicago Press.
Cita Chicago (17th ed.)
Gelb, Ignace J. A Study of Writing. Chicago: University of Chicago Press, 1963.
Cita MLA (9th ed.)
Gelb, Ignace J. A Study of Writing. University of Chicago Press, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.