APA (7th ed.) Citation

Mario, E., & Santoval, D. d. (1919). El director general. Prensa Popular.

Chicago Style (17th ed.) Citation

Mario, Emilio, and Domingo de Santoval. El Director General. [Madrid]: Prensa Popular, 1919.

MLA (9th ed.) Citation

Mario, Emilio, and Domingo de Santoval. El Director General. Prensa Popular, 1919.