APA (7th ed.) Citation

Teilhard de Chardin, P., & Leroy, P. (1980). Letters from my friend, Teilhard de Chardin, 1948-1955: Including letters written during his final years in America. Paulist Press.

Chicago Style (17th ed.) Citation

Teilhard de Chardin, Pierre, and Pierre Leroy. Letters from My Friend, Teilhard De Chardin, 1948-1955: Including Letters Written During His Final Years in America. New York, N.Y.: Paulist Press, 1980.

MLA (9th ed.) Citation

Teilhard de Chardin, Pierre, and Pierre Leroy. Letters from My Friend, Teilhard De Chardin, 1948-1955: Including Letters Written During His Final Years in America. Paulist Press, 1980.