Cita APA (7a ed.)

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. UK Haemophilia Centre Directors' Organisation.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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