MLA

Blackmer, Donald L. M. Unity In Diversity : Italian Communism and the Communist World. Cambridge, Mass.: M.I.T. Press, 1968.

APA

Blackmer, D. L. M. (1968). Unity in diversity : Italian communism and the communist world. Cambridge, Mass.: M.I.T. Press.

Chicago

Blackmer, Donald L. M., Unity In Diversity: Italian Communism and the Communist World. Cambridge, Mass.: M.I.T. Press, 1968.