Citazione Stile APA (7a Edizione)

Hill, A. G., & Roberts, D. F. (1989). Health interventions and mortality change in developing countries. Parkes Foundation.

Citazione stile Chigago Style (17a edizione)

Hill, Allan G., e D. F. Roberts. Health Interventions and Mortality Change in Developing Countries. Cambridge: Parkes Foundation, 1989.

Citatione MLA (9a ed.)

Hill, Allan G., e D. F. Roberts. Health Interventions and Mortality Change in Developing Countries. Parkes Foundation, 1989.