APA (7th ed.) Citation

Kirchberger, J. H. (1992). The First World War: An eyewitness history. Facts on File.

Chicago Style (17th ed.) Citation

Kirchberger, Joe H. The First World War: An Eyewitness History. New York u.a: Facts on File, 1992.

MLA (9th ed.) Citation

Kirchberger, Joe H. The First World War: An Eyewitness History. Facts on File, 1992.