APA (7th ed.) Citation

(1990). Directory of marketing information companies: Featuring the best 100. American Demographics, Inc..

Chicago Style (17th ed.) Citation

Directory of Marketing Information Companies: Featuring the Best 100. Ithaca, NY: American Demographics, Inc., 1990.

MLA (9th ed.) Citation

Directory of Marketing Information Companies: Featuring the Best 100. American Demographics, Inc., 1990.

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