APA (7th ed.) Citation

Williamson, G. C. Pietro Vannucci, called Perugino.

Chicago Style (17th ed.) Citation

Williamson, George C. Pietro Vannucci, Called Perugino.

MLA (9th ed.) Citation

Williamson, George C. Pietro Vannucci, Called Perugino.

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