Maps.com (Firm) & ebrary, Inc. (2000). California's early settlements, 1769-1823. Maps.com.
芝加哥风格引文Maps.com (Firm) 与 Inc ebrary. California's Early Settlements, 1769-1823. [S.l.]: Maps.com, 2000.
MLA引文Maps.com (Firm) 与 Inc ebrary. California's Early Settlements, 1769-1823. Maps.com, 2000.
警告：这些引文格式不一定是100％准确.