Cita APA

Knight, J. (2003). Researchers get to grips with cause of pneumonia epidemic. Nature.

Chicago Style Citation

Knight, Jonathan. "Researchers Get to Grips With Cause of Pneumonia Epidemic." Nature 2003.

Cita MLA

Knight, Jonathan. "Researchers Get to Grips With Cause of Pneumonia Epidemic." Nature 2003.

Atenció: Aquestes cites poden no estar 100% correctes.