APA (7th ed.) Citation

Human Health Organization (San Francisco, Calif.). (1991). San Francisco sphere. Human Health Organization.

Chicago Style (17th ed.) Citation

Human Health Organization (San Francisco, Calif.). San Francisco Sphere. San Francisco, Calif.: Human Health Organization, 1991.

MLA (9th ed.) Citation

Human Health Organization (San Francisco, Calif.). San Francisco Sphere. Human Health Organization, 1991.

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