Aiken, C. E. H., & Warren, E. R. (1914). The birds of El Paso County, Colorado. Colorado College.
芝加哥风格引文Aiken, Charles Edward Howard, 与 Edward Royal Warren. The Birds of El Paso County, Colorado. Colorado Springs: Colorado College, 1914.
MLA引文Aiken, Charles Edward Howard, 与 Edward Royal Warren. The Birds of El Paso County, Colorado. Colorado College, 1914.
警告：这些引文格式不一定是100％准确.