Cita APA (7a ed.)

Shelley, M. (1994). Frankenstein: Or, The modern Prometheus. Penguin Books.

Cita Chicago Style (17a ed.)

Shelley, Mary. Frankenstein: Or, The Modern Prometheus. London: Penguin Books, 1994.

Cita MLA (9a ed.)

Shelley, Mary. Frankenstein: Or, The Modern Prometheus. Penguin Books, 1994.