APA
Stallones R.A, PAHO/WHO Lectures on the Biomedical Sciences (4th : 1971 : Washington), . (1971). Environment, ecology, and epidemiology. Washingto: Pan American Health Organization.
Chicago
Stallones R.A, PAHO/WHO Lectures on the Biomedical Sciences (4th : 1971 : Washington), . 1971. Environment, ecology, and epidemiology. Washingto: Pan American Health Organization.
Harvard
Stallones R.A, PAHO/WHO Lectures on the Biomedical Sciences (4th : 1971 : Washington), . (1971). Environment, ecology, and epidemiology. Washingto: Pan American Health Organization.
MLA
Stallones R.A, PAHO/WHO Lectures on the Biomedical Sciences (4th : 1971 : Washington), . Environment, ecology, and epidemiology. Washingto: Pan American Health Organization. 1971.