APA (7th ed.) Citation

Montilla, F., & Butler, L. (1952). Caridad heróica. [s.n.].

Chicago Style (17th ed.) Citation

Montilla, Francisca, and Luisa Butler. Caridad Heróica. Madrid: [s.n.], 1952.

MLA (9th ed.) Citation

Montilla, Francisca, and Luisa Butler. Caridad Heróica. [s.n.], 1952.