APA (7th ed.) Citation

Schaefer, C. K. (1998). The great war: A guide to the service records of all the world's fighting men and volunteers. Genealogical Pub. Co..

Chicago Style (17th ed.) Citation

Schaefer, Christina K. The Great War: A Guide to the Service Records of All the World's Fighting Men and Volunteers. Baltimore, Md.: Genealogical Pub. Co., 1998.

MLA (8th ed.) Citation

Schaefer, Christina K. The Great War: A Guide to the Service Records of All the World's Fighting Men and Volunteers. Genealogical Pub. Co., 1998.