APA Citation

(1973). The Center city blue pages: A comprehensive area telephone directory listing center-city businesses, historical sights, and social services. Philadelphia: Blue Pages Directory Co..

Chicago Style Citation

The Center City Blue Pages: A Comprehensive Area Telephone Directory Listing Center-city Businesses, Historical Sights, and Social Services. Philadelphia: Blue Pages Directory Co., 1973.

MLA Citation

The Center City Blue Pages: A Comprehensive Area Telephone Directory Listing Center-city Businesses, Historical Sights, and Social Services. Philadelphia: Blue Pages Directory Co., 1973.

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