APA (7th ed.) Citation

Standring, T. J., & Clayton, M. (2013). Castiglione: Lost genius. Royal Collection Trust.

Chicago Style (17th ed.) Citation

Standring, Timothy J.., and Martin Clayton. Castiglione: Lost Genius. London: Royal Collection Trust, 2013.

MLA (9th ed.) Citation

Standring, Timothy J.., and Martin Clayton. Castiglione: Lost Genius. Royal Collection Trust, 2013.

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