APA (7th ed.) Citation

Pérez de Urbel, J. (1940). In terra pax (3a ed.). Fax.

Chicago Style (17th ed.) Citation

Pérez de Urbel, Justo. In Terra Pax. 3a ed. [Madrid]: Fax, 1940.

MLA (9th ed.) Citation

Pérez de Urbel, Justo. In Terra Pax. 3a ed. Fax, 1940.