APA (7th ed.) Citation

Greenwood, J. T. (1998). To hurdle the last barrier: The U.S. Army engineers and the crossing of the Rhine River, 1944-1945. The U.S. Army and World War II.

Chicago Style (17th ed.) Citation

Greenwood, John T. "To Hurdle the Last Barrier: The U.S. Army Engineers and the Crossing of the Rhine River, 1944-1945." The U.S. Army and World War II 1998.

MLA (8th ed.) Citation

Greenwood, John T. "To Hurdle the Last Barrier: The U.S. Army Engineers and the Crossing of the Rhine River, 1944-1945." The U.S. Army and World War II, 1998.