APA
Ehret C. e., Posnasnky M. e., . (1982). The archaelogical and linguistic reconstruction of African history. Berkely: University of California Press.
Chicago
Ehret Christopher ed, Posnasnky Merrick ed, . 1982. The archaelogical and linguistic reconstruction of African history. Berkely: University of California Press.
Harvard
Ehret C. e., Posnasnky M. e., . (1982). The archaelogical and linguistic reconstruction of African history. Berkely: University of California Press.
MLA
Ehret Christopher ed, Posnasnky Merrick ed, . The archaelogical and linguistic reconstruction of African history. Berkely: University of California Press. 1982.