APA (7th ed.) Citation

Kaufmann, J. E., & Donnell, C. (2004). Modern European military fortifications, 1870-1950: A selective annotated bibliography. Praeger.

Chicago Style (17th ed.) Citation

Kaufmann, J. E., and Clayton Donnell. Modern European Military Fortifications, 1870-1950: A Selective Annotated Bibliography. Westport, Conn.: Praeger, 2004.

MLA (9th ed.) Citation

Kaufmann, J. E., and Clayton Donnell. Modern European Military Fortifications, 1870-1950: A Selective Annotated Bibliography. Praeger, 2004.