APA Format
World Health Organization (WHO) . (). PAHO/Who inter regional conference on the post graduate preparation of health workers for health education/WHO. : Geneva WHO 1964
MLA Format
World Health Organization (WHO) . PAHO/Who inter regional conference on the post graduate preparation of health workers for health education/WHO. : Geneva WHO 1964,
Australian/Harvard Format
World Health Organization (WHO) . . PAHO/Who inter regional conference on the post graduate preparation of health workers for health education/WHO. Geneva WHO 1964, 
Warning: These citations may not always be 100% accurate.