APA (7th ed.) Citation

Dickens, C., & Gill, D. (1971). Our mutual friend. Penguin Books.

Chicago Style (17th ed.) Citation

Dickens, Charles, and Dtephen Gill. Our Mutual Friend. London: Penguin Books, 1971.

MLA (9th ed.) Citation

Dickens, Charles, and Dtephen Gill. Our Mutual Friend. Penguin Books, 1971.