@book{17848,
	author = {Sorokin, Pitirim Aleksandrovich and Sorokin, Pitirim Aleksandrovich},
	title = {The crisis of our age},
	publisher = {Dutton},
	year = {[c1941]},
	address = {New York},
	note = {Based upon four volumes of the author's Social and cultural dynamics.}
}