National unity and disunity;
the nation as a bio-social organism /
by George Kingsley Zipf...
APA Citation
Zipf, G. Kingsley. (1941). National unity and disunity: the nation as a bio-social organism. Bloomington, Ind.: The Principia press,inc.
MLA Citation
Zipf, George Kingsley, 1902-1950. National Unity And Disunity: the Nation As a Bio-social Organism. Bloomington, Ind.: The Principia press,inc, 1941.
Warning: These citations may not always be complete (especially for serials).