Cita APA (7a ed.)

Pascual Pérez, M. R. (1969). Towards the rainbow. [s.n.].

Cita Chicago Style (17a ed.)

Pascual Pérez, María Rosario. Towards the Rainbow. [S.l.]: [s.n.], 1969.

Cita MLA (9a ed.)

Pascual Pérez, María Rosario. Towards the Rainbow. [s.n.], 1969.