Cita APA

Willis, J. H. 1., & Willis, J. H. 1. (1969). William Empson ([1. edition].). New York, New York: Columbia University Press.

Citación estilo Chicago

Willis, John H. 1929-, y John H. 1929- Willis. William Empson. [1. edition]. New York, New York: Columbia University Press, 1969.

Cita MLA

Willis, John H. 1929-, y John H. 1929- Willis. William Empson. [1. edition]. New York, New York: Columbia University Press, 1969.