APA(7版)引用形式

Keppel, L. O. (1930). An era of martyrs. Catholic Truth Society.

Chicagoスタイル(17版)引用形式

Keppel, Leopoldina Olivia. An Era of Martyrs. London: Catholic Truth Society, 1930.

MLA(8版)引用形式

Keppel, Leopoldina Olivia. An Era of Martyrs. Catholic Truth Society, 1930.

警告: この引用は必ずしも正確ではありません.