Dieterle, H., & Dieterle, R. (1992). Ninety Years in the Heartland. North American Heritage Press.
芝加哥风格引文Dieterle, Henry, 与 Roger Dieterle. Ninety Years in the Heartland. Minot, North Dakota: North American Heritage Press, 1992.
MLA引文Dieterle, Henry, 与 Roger Dieterle. Ninety Years in the Heartland. North American Heritage Press, 1992.
警告：这些引文格式不一定是100％准确.