APA (7th ed.) Citation

Guardini, R., & Giraudet, A. (1950). Les signes sacrés (11e mille.). Spes.

Chicago Style (17th ed.) Citation

Guardini, Romano, and Antoine Giraudet. Les Signes Sacrés. 11e mille. Paris: Spes, 1950.

MLA (9th ed.) Citation

Guardini, Romano, and Antoine Giraudet. Les Signes Sacrés. 11e mille. Spes, 1950.

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