APA (7th ed.) Citation

Ritter, R. M., Hart, H., & Roberts, R. (2005). New Hart's rules. Oxford University Press.

Chicago Style (17th ed.) Citation

Ritter, R. M., Horace Hart, and Rosemary Roberts. New Hart's Rules. Oxford: Oxford University Press, 2005.

MLA (9th ed.) Citation

Ritter, R. M., et al. New Hart's Rules. Oxford University Press, 2005.

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