America in the twentieth century,
by Frank Freidel.
APA Citation
Freidel, F. Burt. (1965). America in the twentieth century. 2d ed. New York: Knopf.
MLA Citation
Freidel, Frank Burt, 1916-. America In the Twentieth Century. 2d ed. New York: Knopf, 1965.
Warning: These citations may not always be complete (especially for serials).