Cita APA (7a ed.)

Solozábal, P. d. (1988). Urrats. [s.n.].

Cita Chicago Style (17a ed.)

Solozábal, Paulin de. Urrats. [S.l.]: [s.n.], 1988.

Cita MLA (9a ed.)

Solozábal, Paulin de. Urrats. [s.n.], 1988.