Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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