APA
Gena Corea, . (1992). The Invisible Epidemic. : HarpensCollins Publishers.
Chicago
Gena Corea, . 1992. The Invisible Epidemic. : HarpensCollins Publishers.
Harvard
Gena Corea, . (1992). The Invisible Epidemic. : HarpensCollins Publishers.
MLA
Gena Corea, . The Invisible Epidemic. : HarpensCollins Publishers. 1992.
