APA (7th ed.) Citation

NetLibrary, Inc, Parker, J. N., & Parker, P. M. (2003). Endometriosis: A medical dictionary, bibliography, and annotated research guide to Internet references. ICON Health.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, James N. Parker, and Philip M. Parker. Endometriosis: A Medical Dictionary, Bibliography, and Annotated Research Guide to Internet References. San Diego, CA: ICON Health, 2003.

MLA (9th ed.) Citation

NetLibrary, Inc, et al. Endometriosis: A Medical Dictionary, Bibliography, and Annotated Research Guide to Internet References. ICON Health, 2003.