Cita APA (7a ed.)

Cooper, R. (1990). ABC: A need, not an option. [s.n.].

Cita Chicago Style (17a ed.)

Cooper, Robin. ABC: A Need, Not an Option. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Cooper, Robin. ABC: A Need, Not an Option. [s.n.], 1990.