APA (7th ed.) Citation

Burrell, P. (2003). A Royal duty. Penguin Groups.

Chicago Style (17th ed.) Citation

Burrell, Paul. A Royal Duty. London: Penguin Groups, 2003.

MLA (9th ed.) Citation

Burrell, Paul. A Royal Duty. Penguin Groups, 2003.

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