Rodriguez, M. C. (1983). Strange disease puzzles scientists. Bulletin Today.
Cita Chicago Style (17a ed.)Rodriguez, Marcia C. "Strange Disease Puzzles Scientists." Bulletin Today 1983.
Cita MLA (9a ed.)Rodriguez, Marcia C. "Strange Disease Puzzles Scientists." Bulletin Today, 1983.
Precaución: Estas citas no son 100% exactas.