AIDS

MLA

Check, William A, and C. Everett Koop. Aids. New York: Chelsea house publ., 1988.

APA

Check, W. A, & Koop, C. Everett. (1988). AIDS. New York: Chelsea house publ.

Chicago

Check, William A., and C. Everett Koop. AIDS. New York: Chelsea house publ., 1988.