Cita APA

World Health Organization & Cassel, J. (1970). The Education and training of engineers for environmental health. World Health Organization.

Citación estilo Chicago

World Health Organization and John Cassel. The Education and Training of Engineers for Environmental Health. Geneva: World Health Organization, 1970.

Cita MLA

World Health Organization and John Cassel. The Education and Training of Engineers for Environmental Health. World Health Organization, 1970.