APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.