Cita APA (7th ed.)
Mills, R. J. (1963). Theodore Roethke. University of Minnesota Press.
Cita Chicago (17th ed.)
Mills, Ralph J. Theodore Roethke. Minneapolis, MN: University of Minnesota Press, 1963.
Cita MLA (9th ed.)
Mills, Ralph J. Theodore Roethke. University of Minnesota Press, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.