APA(7版)引用形式
Maps.com (Firm) & ebrary, Inc. (1999). Status of slavery in the territories, 1850-1854. Maps.com.
Chicagoスタイル(17版)引用形式
Maps.com (Firm) , Inc ebrary. Status of Slavery in the Territories, 1850-1854. [S.l.]: Maps.com, 1999.
MLA(9版)引用形式
Maps.com (Firm) , Inc ebrary. Status of Slavery in the Territories, 1850-1854. Maps.com, 1999.
警告: この引用は必ずしも正確ではありません.