APA (7th ed.) Citation

Chautard, J., & Merton, T. (1961). The soul of the apostolate. Image Books.

Chicago Style (17th ed.) Citation

Chautard, Jean-Baptiste, and Thomas Merton. The Soul of the Apostolate. Garden City, New York: Image Books, 1961.

MLA (9th ed.) Citation

Chautard, Jean-Baptiste, and Thomas Merton. The Soul of the Apostolate. Image Books, 1961.