Cita APA (7a ed.)

O'Neill, M. (1993). Shelley (1st published.). Longman.

Cita Chicago Style (17a ed.)

O'Neill, Michael. Shelley. 1st published. London [etc.]: Longman, 1993.

Cita MLA (9a ed.)

O'Neill, Michael. Shelley. 1st published. Longman, 1993.