Ridell, R. (1996). Aid in the 21st Century. New York: ODS.
Chicago Style (17th ed.) CitationRidell, Roger. Aid in the 21st Century. New York: ODS, 1996.
MLA (8th ed.) CitationRidell, Roger. Aid in the 21st Century. New York: ODS, 1996.
Warning: These citations may not always be 100% accurate.