APA(7版)引用形式

Saylor, R. B. (1950). An economic survey of Venango County, Pennsylvania.

Chicagoスタイル(17版)引用形式

Saylor, Roger B. An Economic Survey of Venango County, Pennsylvania. [State College, Pa. : s.n, 1950.

MLA(8版)引用形式

Saylor, Roger B. An Economic Survey of Venango County, Pennsylvania. 1950.

警告: この引用は必ずしも正確ではありません.