Cita APA (7th ed.)
Playfair, J. H. L. (2007). Living with germs: In health and disease. Oxford University Press.
Cita Chicago (17th ed.)
Playfair, J. H. L. Living with Germs: In Health and Disease. Oxford: Oxford University Press, 2007.
Cita MLA (9th ed.)
Playfair, J. H. L. Living with Germs: In Health and Disease. Oxford University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.