APA (7th ed.) Citation

Juan Pablo II. (1900). A las familias. Herder.

Chicago Style (17th ed.) Citation

Juan Pablo II. A Las Familias. Barcelona, España: Herder, 1900.

MLA (9th ed.) Citation

Juan Pablo II. A Las Familias. Herder, 1900.

Warning: These citations may not always be 100% accurate.