APA (7th ed.) Citation

Keats, J. John Keats & Pexy Bysshe Shelley-complete poetical works. The Modern Library.

Chicago Style (17th ed.) Citation

Keats, John. John Keats & Pexy Bysshe Shelley-complete Poetical Works. New York: The Modern Library.

MLA (9th ed.) Citation

Keats, John. John Keats & Pexy Bysshe Shelley-complete Poetical Works. The Modern Library.

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