APA (7th ed.) Citation

Mary Shelley. (1994). Frankenstein. Penguin Popular Classics.

Chicago Style (17th ed.) Citation

Mary Shelley. Frankenstein. London: Penguin Popular Classics, 1994.

MLA (9th ed.) Citation

Mary Shelley. Frankenstein. Penguin Popular Classics, 1994.

Warning: These citations may not always be 100% accurate.