The picture of health environmental sources of disease.

MLA

Eckholm, Erik P. The Picture of Health Environmental Sources of Disease. New York, N.Y, 1977.

APA

Eckholm, E. P. (1977). The picture of health environmental sources of disease. New York, N.Y.

Chicago

Eckholm, Erik P. The Picture of Health Environmental Sources of Disease. New York, N.Y., 1977.