Freidel, F. (1982). America in the twentieth century (5th ed.). Knopf : distributed by Random House, McGraw-Hill.
Chicagoスタイル(17版)引用形式Freidel, Frank. America in the Twentieth Century. 5th ed. New York: Knopf : distributed by Random House, McGraw-Hill, 1982.
MLA(8版)引用形式Freidel, Frank. America in the Twentieth Century. 5th ed. Knopf : distributed by Random House, McGraw-Hill, 1982.
警告: この引用は必ずしも正確ではありません.