Icon Group International, Inc, NetLibrary, Inc, Parker, J. N., & Parker, P. M. (2003). The official patient's sourcebook on headaches. Icon Health Publications.
Chicago Style (17th ed.) CitationIcon Group International, Inc, Inc NetLibrary, James N. Parker, and Philip M. Parker. The Official Patient's Sourcebook on Headaches. San Diego, Calif.: Icon Health Publications, 2003.
MLA (9th ed.) CitationIcon Group International, Inc, et al. The Official Patient's Sourcebook on Headaches. Icon Health Publications, 2003.
Warning: These citations may not always be 100% accurate.