Cita APA (7th ed.)

Perloff, M. (2004). Differentials: Poetry, poetics, pedagogy. University of Alabama Press.

Cita Chicago (17th ed.)

Perloff, Marjorie. Differentials: Poetry, Poetics, Pedagogy. Tuscaloosa: University of Alabama Press, 2004.

Cita MLA (9th ed.)

Perloff, Marjorie. Differentials: Poetry, Poetics, Pedagogy. University of Alabama Press, 2004.