APA (7e ed.) Bronvermelding

Blondel, M., Teilhard de Chardin, P., Lubac, H. d., & Valensin, A. (1967). Correspondence. Herder and Herder.

Chicago (17e ed.) Bronvermelding

Blondel, Maurice, Pierre Teilhard de Chardin, Henri de Lubac, en Auguste Valensin. Correspondence. [New York]: Herder and Herder, 1967.

MLA (8e ed.) Bronvermelding

Blondel, Maurice, et al. Correspondence. Herder and Herder, 1967.