APA (7th ed.) Citation

Holmes, C. (2007). Why was Charles I executed? Hambledon Continuum.

Chicago Style (17th ed.) Citation

Holmes, Clive. Why Was Charles I Executed? London [u.a.]: Hambledon Continuum, 2007.

MLA (9th ed.) Citation

Holmes, Clive. Why Was Charles I Executed? Hambledon Continuum, 2007.

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