APA (7th ed.) Citation

Foucauld, C. d., Dampierre, J. d., & Castries, H. d. (1938). Lettres à Henry de Castries.

Chicago Style (17th ed.) Citation

Foucauld, Charles de, Jacques de Dampierre, and Henry de Castries. Lettres à Henry De Castries. Paris, 1938.

MLA (8th ed.) Citation

Foucauld, Charles de, et al. Lettres à Henry De Castries. 1938.

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