APA (7th ed.) Citation

Grey House Publishing, Inc. (1991). The directory of business to business catalogs. Grey House Pub..

Chicago Style (17th ed.) Citation

Grey House Publishing, Inc. The Directory of Business to Business Catalogs. Lakeville, CT: Grey House Pub., 1991.

MLA (9th ed.) Citation

Grey House Publishing, Inc. The Directory of Business to Business Catalogs. Grey House Pub., 1991.

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