Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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