Cita APA (7th ed.)
Martin, R. E. (1981). American literature and the universe of force. Duke University Press.
Cita Chicago (17th ed.)
Martin, Ronald E. American Literature and the Universe of Force. Durham, N.C.: Duke University Press, 1981.
Cita MLA (9th ed.)
Martin, Ronald E. American Literature and the Universe of Force. Duke University Press, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.