APA (7th ed.) Citation

Humphreys, I., Humphreys, I. S., & Barnes, E. (2011). Host and viral factors that determine the clinical outcome of hepatitis C virus genotype 3a infection.

Chicago Style (17th ed.) Citation

Humphreys, I., Isla S. Humphreys, and E. Barnes. Host and Viral Factors That Determine the Clinical Outcome of Hepatitis C Virus Genotype 3a Infection. 2011.

MLA (9th ed.) Citation

Humphreys, I., et al. Host and Viral Factors That Determine the Clinical Outcome of Hepatitis C Virus Genotype 3a Infection. 2011.

Warning: These citations may not always be 100% accurate.