APA (7th ed.) Citation

Price, D., O'Callaghan, C., Whelan, J., Easterbrook, P., & Phillips, R. (1999). Cytotoxic T lymphocytes and viral evolution in primary HIV-1 infection.

Chicago Style (17th ed.) Citation

Price, D., C. O'Callaghan, J. Whelan, P. Easterbrook, and R. Phillips. Cytotoxic T Lymphocytes and Viral Evolution in Primary HIV-1 Infection. 1999.

MLA (9th ed.) Citation

Price, D., et al. Cytotoxic T Lymphocytes and Viral Evolution in Primary HIV-1 Infection. 1999.