Cita APA (7a ed.)

Ehrstine, J. W., & Blake, W. (1967). William Blake's Poetical sketches. Washington State University Press.

Cita Chicago Style (17a ed.)

Ehrstine, John W., y William Blake. William Blake's Poetical Sketches. [Pullman]: Washington State University Press, 1967.

Cita MLA (9a ed.)

Ehrstine, John W., y William Blake. William Blake's Poetical Sketches. Washington State University Press, 1967.