APA (7th ed.) Citation

R.L. Polk & Co. (1970). Polk's map of Metropolitan Chicago, Illinois. R.L. Polk & Co..

Chicago Style (17th ed.) Citation

R.L. Polk & Co. Polk's Map of Metropolitan Chicago, Illinois. [Nashville, Tenn.]: R.L. Polk & Co., 1970.

MLA (8th ed.) Citation

R.L. Polk & Co. Polk's Map of Metropolitan Chicago, Illinois. R.L. Polk & Co., 1970.

Warning: These citations may not always be 100% accurate.