Cita APA

Shapiro, D., & Shapiro, D. (1979). John Ashbery: An introduction to the poetry. New York: Columbia University Press.

Citación estilo Chicago

Shapiro, David, y David Shapiro. John Ashbery: An Introduction to the Poetry. New York: Columbia University Press, 1979.

Cita MLA

Shapiro, David, y David Shapiro. John Ashbery: An Introduction to the Poetry. New York: Columbia University Press, 1979.