APA (7th ed.) Citation

Dunton, M. (2021). Prime ministers of the 20th century. Pen & Sword History.

Chicago Style (17th ed.) Citation

Dunton, Mark. Prime Ministers of the 20th Century. Barnsley, South Barnsley, UK: Pen & Sword History, 2021.

MLA (9th ed.) Citation

Dunton, Mark. Prime Ministers of the 20th Century. Pen & Sword History, 2021.