Cita APA (American Psychological Association)

Arana Garamendi, L. d., Landa Arana, M., & Arana Goiri, L. d. [Carta], 1920 dic. 21, Vigo, a [Luis de Arana Goiri].

Citación Chicago Style

Arana Garamendi, Luis de, Martín Landa Arana, and Luis de Arana Goiri. [Carta], 1920 Dic. 21, Vigo, a [Luis De Arana Goiri].

Cita MLA (Modern Language Association of America)

Arana Garamendi, Luis de, et al. [Carta], 1920 Dic. 21, Vigo, a [Luis De Arana Goiri].