APA (7th ed.) Citation

Armitage-Smith, S. A. (1964). John of Gaunt: King of Castile and Leon, duke of Aquitaine and Lancaster, earl of Derby, Lincoln, and Leicester, seneschal of England. Constable.

Chicago Style (17th ed.) Citation

Armitage-Smith, Sydney Armitage. John of Gaunt: King of Castile and Leon, Duke of Aquitaine and Lancaster, Earl of Derby, Lincoln, and Leicester, Seneschal of England. London: Constable, 1964.

MLA (9th ed.) Citation

Armitage-Smith, Sydney Armitage. John of Gaunt: King of Castile and Leon, Duke of Aquitaine and Lancaster, Earl of Derby, Lincoln, and Leicester, Seneschal of England. Constable, 1964.

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