APA (7th ed.) Citation

Darby, S., Ewart, D., Giangrande, P., Spooner, R., & Rizza, C. (1996). Importance of age at infection with HIV-1 for survival and development of AIDS in UK haemophilia population.

Chicago Style (17th ed.) Citation

Darby, S., D. Ewart, P. Giangrande, R. Spooner, and C. Rizza. Importance of Age at Infection with HIV-1 for Survival and Development of AIDS in UK Haemophilia Population. 1996.

MLA (9th ed.) Citation

Darby, S., et al. Importance of Age at Infection with HIV-1 for Survival and Development of AIDS in UK Haemophilia Population. 1996.