APA (7th ed.) Citation

(1988). Directory of online databases. Caudra Associates and Elsevier Science Publishing.

Chicago Style (17th ed.) Citation

Directory of Online Databases. New York,NY: Caudra Associates and Elsevier Science Publishing, 1988.

MLA (9th ed.) Citation

Directory of Online Databases. Caudra Associates and Elsevier Science Publishing, 1988.

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