Cita APA (7th ed.)

Orwell, G., Angus, I., & Orwell, S. (1970). The collected essays, journalism and letters of George Orwell. Penguin Books.

Cita Chicago (17th ed.)

Orwell, George, Ian Angus, i Sonia Orwell. The Collected Essays, Journalism and Letters of George Orwell. [Hammondworth, Eng.]: Penguin Books, 1970.

Cita MLA (9th ed.)

Orwell, George, et al. The Collected Essays, Journalism and Letters of George Orwell. Penguin Books, 1970.