Cita APA (7th ed.)

Ballester i Castelló, F. (1932). Valls. [s.n].

Cita Chicago (17th ed.)

Ballester i Castelló, F. Valls. Valls: [s.n], 1932.

Cita MLA (9th ed.)

Ballester i Castelló, F. Valls. [s.n], 1932.