R.L. Polk & Co. (1970). Polk's map of Metropolitan Chicago, Illinois. R.L. Polk & Co..
Chicago Style (17th ed.) CitationR.L. Polk & Co. Polk's Map of Metropolitan Chicago, Illinois. [Nashville, Tenn.]: R.L. Polk & Co., 1970.
MLA (8th ed.) CitationR.L. Polk & Co. Polk's Map of Metropolitan Chicago, Illinois. R.L. Polk & Co., 1970.
Warning: These citations may not always be 100% accurate.