Donovan, F. P., & Grant, H. R. (2000). Iowa railroads: The essays of Frank P. Donovan, Jr. University of Iowa Press.
芝加哥风格引文Donovan, Frank P., 与 H. Roger Grant. Iowa Railroads: The Essays of Frank P. Donovan, Jr. Iowa City: University of Iowa Press, 2000.
MLA引文Donovan, Frank P., 与 H. Roger Grant. Iowa Railroads: The Essays of Frank P. Donovan, Jr. University of Iowa Press, 2000.
警告：这些引文格式不一定是100％准确.