Cita APA (7a ed.)

Keach, W. (1984). Shelley's style. Methuen.

Cita Chicago Style (17a ed.)

Keach, William. Shelley's Style. New York [etc.]: Methuen, 1984.

Cita MLA (9a ed.)

Keach, William. Shelley's Style. Methuen, 1984.