APA (7th ed.) Citation

Philips, A., & Shakespeare, W. (1969). Humfrey, Duke of Gloucester. Cornmarket Press.

Chicago Style (17th ed.) Citation

Philips, Ambrose, and William Shakespeare. Humfrey, Duke of Gloucester. London: Cornmarket Press, 1969.

MLA (8th ed.) Citation

Philips, Ambrose, and William Shakespeare. Humfrey, Duke of Gloucester. Cornmarket Press, 1969.

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