APA (7th ed.) Citation

Shelley, P. B. A Defence of poetry and A letter to lord ellenborough. Porcupine Press.

Chicago Style (17th ed.) Citation

Shelley, Percy Bysshe. A Defence of Poetry and A Letter to Lord Ellenborough. London: Porcupine Press.

MLA (9th ed.) Citation

Shelley, Percy Bysshe. A Defence of Poetry and A Letter to Lord Ellenborough. Porcupine Press.

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