APA (7th ed.) Citation

Christopher, J. (2014). British posters of the First World War. Amberley Publishing.

Chicago Style (17th ed.) Citation

Christopher, John. British Posters of the First World War. Stroud, Gloucestershire: Amberley Publishing, 2014.

MLA (9th ed.) Citation

Christopher, John. British Posters of the First World War. Amberley Publishing, 2014.

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