Cita APA (7th ed.)
Roberts , E. . V. (1964). Writing themes about literature. Prentice Hall.
Cita Chicago (17th ed.)
Roberts , Edgar V. Writing Themes About Literature. Englewood Cliffs, New Jersey: Prentice Hall, 1964.
Cita MLA (9th ed.)
Roberts , Edgar V. Writing Themes About Literature. Prentice Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.