APA (7th ed.) Citation

Guardini, R. (1963). Mundo y persona (1a ed.). Guadarrama.

Chicago Style (17th ed.) Citation

Guardini, Romano. Mundo Y Persona. 1a ed. Madrid: Guadarrama, 1963.

MLA (9th ed.) Citation

Guardini, Romano. Mundo Y Persona. 1a ed. Guadarrama, 1963.

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