APA (7th ed.) Citation

Charlwood, D. (2019). 1920: A year of global turmoil. Pen & Sword History.

Chicago Style (17th ed.) Citation

Charlwood, David. 1920: A Year of Global Turmoil. Barnsley, South Yorkshire, UK: Pen & Sword History, 2019.

MLA (9th ed.) Citation

Charlwood, David. 1920: A Year of Global Turmoil. Pen & Sword History, 2019.

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