Citazione Stile APA (7a Edizione)

Eckholm, E. P. (1977). The picture of health: Environmental sources of disease (First edition.). Norton.

Citazione stile Chigago Style (17a edizione)

Eckholm, Erik P. The Picture of Health: Environmental Sources of Disease. First edition. New York: Norton, 1977.

Citatione MLA (8a ed.)

Eckholm, Erik P. The Picture of Health: Environmental Sources of Disease. First edition. Norton, 1977.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.