Cita APA (7a ed.)
Roberts , E. . V. (1964). Writing themes about literature. Prentice Hall.
Cita Chicago Style (17a ed.)
Roberts , Edgar V. Writing Themes About Literature. Englewood Cliffs, New Jersey: Prentice Hall, 1964.
Cita MLA (9a ed.)
Roberts , Edgar V. Writing Themes About Literature. Prentice Hall, 1964.
Precaución: Estas citas no son 100% exactas.