APA
American Ethnoloigcal Society Annual Spring Meeting(1967), American Ethnoloigcal Society Annual Spring Meeting(1967), . (1968). Essays on the problem of tribe. Washington: University Press.
Chicago
American Ethnoloigcal Society Annual Spring Meeting(1967), American Ethnoloigcal Society Annual Spring Meeting(1967), . 1968. Essays on the problem of tribe. Washington: University Press.
Harvard
American Ethnoloigcal Society Annual Spring Meeting(1967), American Ethnoloigcal Society Annual Spring Meeting(1967), . (1968). Essays on the problem of tribe. Washington: University Press.
MLA
American Ethnoloigcal Society Annual Spring Meeting(1967), American Ethnoloigcal Society Annual Spring Meeting(1967), . Essays on the problem of tribe. Washington: University Press. 1968.