Citazione Stile APA (7a Edizione)

Christopher, J. (2016). British posters of the First World War. Amberley Publishing.

Citazione stile Chigago Style (17a edizione)

Christopher, John. British Posters of the First World War. Stroud: Amberley Publishing, 2016.

Citatione MLA (9a ed.)

Christopher, John. British Posters of the First World War. Amberley Publishing, 2016.