APA (7th ed.) Citation

Chancellor, J. (1973). Charles Darwin. Weidenfeld & Nicolson.

Chicago Style (17th ed.) Citation

Chancellor, John. Charles Darwin. London: Weidenfeld & Nicolson, 1973.

MLA (9th ed.) Citation

Chancellor, John. Charles Darwin. Weidenfeld & Nicolson, 1973.

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