Cita APA

World Health Organization, Geneva, United Nations Environment Programme, & International Labour Organization. (1992). Environmental health criteria 135: cadmium - environmental aspects: IPCS International Programme on Chemical Safety. World Health Organization.

Citación estilo Chicago

World Health Organization, Geneva, United Nations Environment Programme, and International Labour Organization. Environmental Health Criteria 135: Cadmium - Environmental Aspects: IPCS International Programme on Chemical Safety. Geneva: World Health Organization, 1992.

Cita MLA

World Health Organization, Geneva, et al. Environmental Health Criteria 135: Cadmium - Environmental Aspects: IPCS International Programme on Chemical Safety. World Health Organization, 1992.