APA (7th ed.) Citation

Afflerbach, H. (2015). Purpose of the First World War. De Gruyter.

Chicago Style (17th ed.) Citation

Afflerbach, Holger. Purpose of the First World War. Berlin/Boston, Germany: De Gruyter, 2015.

MLA (9th ed.) Citation

Afflerbach, Holger. Purpose of the First World War. De Gruyter, 2015.

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