APA(7版)引用形式

Não informado. (1919). Scientific Survey of Porto Rico and the Virgin Islands. New York Academy of Sciences.

Chicagoスタイル(17版)引用形式

Não informado. Scientific Survey of Porto Rico and the Virgin Islands. New York: New York Academy of Sciences, 1919.

MLA(8版)引用形式

Não informado. Scientific Survey of Porto Rico and the Virgin Islands. New York Academy of Sciences, 1919.

警告: この引用は必ずしも正確ではありません.