APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (8. Ausg.)

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