APA Citation

(1931). Philadelphia industrial directory and buyer's guide: Covering manufacturers and wholesalers in the Philadelphia Metropolitan Area. Philadelphia, Pa.: The Association.

Chicago Style Citation

Philadelphia Industrial Directory and Buyer's Guide: Covering Manufacturers and Wholesalers in the Philadelphia Metropolitan Area. Philadelphia, Pa.: The Association, 1931.

MLA Citation

Philadelphia Industrial Directory and Buyer's Guide: Covering Manufacturers and Wholesalers in the Philadelphia Metropolitan Area. Philadelphia, Pa.: The Association, 1931.

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