APA (7th ed.) Citation

Hardie, M., & Sabin, A. K. (1920). War posters issued by belligerent and neutral nations 1914-1919. A. & C. Black.

Chicago Style (17th ed.) Citation

Hardie, Martin, and Arthur K. Sabin. War Posters Issued by Belligerent and Neutral Nations 1914-1919. London: A. & C. Black, 1920.

MLA (9th ed.) Citation

Hardie, Martin, and Arthur K. Sabin. War Posters Issued by Belligerent and Neutral Nations 1914-1919. A. & C. Black, 1920.

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