APA(7版)引用形式

Spence, G. (1972). A personal message from Gusty Spence. [s.n.].

Chicagoスタイル(17版)引用形式

Spence, Gusty. A Personal Message from Gusty Spence. [Belfast?]: [s.n.], 1972.

MLA(8版)引用形式

Spence, Gusty. A Personal Message from Gusty Spence. [s.n.], 1972.

警告: この引用は必ずしも正確ではありません.