Cita APA

Frost, F. J., Kunde, T. R., Muller, T. B., Craun, G. F., Katz, L. M., Hibbard, A. J., & Calderon, R. L. (2003). Serological responses to Cryptosporidium antigens among users of surface- vs. ground-water sources. Cambridge University Press.

Chicago Style Citation

Frost, F. J., T. R. Kunde, T. B. Muller, G. F. Craun, L. M. Katz, A. J. Hibbard, i R. L. Calderon. Serological Responses to Cryptosporidium Antigens Among Users of Surface- Vs. Ground-water Sources. Cambridge University Press, 2003.

Cita MLA

Frost, F. J., et al. Serological Responses to Cryptosporidium Antigens Among Users of Surface- Vs. Ground-water Sources. Cambridge University Press, 2003.