Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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