Cita APA (7th ed.)

Blake, W. (1958). A selection of poems and letters (1a. ed.). Penguin Books.

Cita Chicago (17th ed.)

Blake, William. A Selection of Poems and Letters. 1a. ed. Harmondsworth: Penguin Books, 1958.

Cita MLA (9th ed.)

Blake, William. A Selection of Poems and Letters. 1a. ed. Penguin Books, 1958.