Photo-Geographic International (Firm). (1975). Photo-atlas of the United States: A complete photographic atlas of the U.S.A. using satellite photography. Ward Ritchie Press.
芝加哥风格引文Photo-Geographic International (Firm). Photo-atlas of the United States: A Complete Photographic Atlas of the U.S.A. Using Satellite Photography. Pasadena, Calif.: Ward Ritchie Press, 1975.
MLA引文Photo-Geographic International (Firm). Photo-atlas of the United States: A Complete Photographic Atlas of the U.S.A. Using Satellite Photography. Ward Ritchie Press, 1975.
警告：这些引文格式不一定是100％准确.