APA (7th ed.) Citation

Butler R. A. & Braun Thom. (1980). Sybil Or The Two Nations. Penguin Books.

Chicago Style (17th ed.) Citation

Butler R. A. and Braun Thom. Sybil Or The Two Nations. London: Penguin Books, 1980.

MLA (9th ed.) Citation

Butler R. A. and Braun Thom. Sybil Or The Two Nations. Penguin Books, 1980.

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