APA Format
World Health Organization (WHO)
. (). Pyrrolizidine alkaloids. : Geneva WHO 1988
MLA Format
World Health Organization (WHO)
. Pyrrolizidine alkaloids. : Geneva WHO 1988,
Australian/Harvard Format
World Health Organization (WHO)
. . Pyrrolizidine alkaloids. Geneva WHO 1988,
Warning: These citations may not always be 100% accurate.