APA (7th ed.) Citation

Teilhard de Chardin, P., & Aragonnès, C. (1956). Lettres de voyage: 1923-1939. Bernard Grasset.

Chicago Style (17th ed.) Citation

Teilhard de Chardin, Pierre, and Claude Aragonnès. Lettres De Voyage: 1923-1939. Paris: Bernard Grasset, 1956.

MLA (9th ed.) Citation

Teilhard de Chardin, Pierre, and Claude Aragonnès. Lettres De Voyage: 1923-1939. Bernard Grasset, 1956.

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