APA(7版)引用形式

Letchworth, W. P. (1889). The insane in foreign countries. G. P. Putnam's sons.

Chicagoスタイル(17版)引用形式

Letchworth, William Pryor. The Insane in Foreign Countries. New York & London: G. P. Putnam's sons, 1889.

MLA(8版)引用形式

Letchworth, William Pryor. The Insane in Foreign Countries. G. P. Putnam's sons, 1889.

警告: この引用は必ずしも正確ではありません.