APA (7th ed.) Citation

Ridley, J. (1973). The Life and Times of Mary Tudor. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Ridley, Jasper. The Life and Times of Mary Tudor. London: Weidenfeld and Nicolson, 1973.

MLA (9th ed.) Citation

Ridley, Jasper. The Life and Times of Mary Tudor. Weidenfeld and Nicolson, 1973.