@article{1428413,
      recid = {1428413},
      author = {Greenwood, John T.},
      title = {John J. Pershing and the American Expeditionary Forces in  World War I, 1917-1919 : April 7-September 30 1917.},
      pages = {1 online resource (657 pages).},
      url = {http://library.usi.edu/record/1428413},
}