Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.