Cita APA (7a ed.)

Teilhard de Chardin, P., & Houdin, R. J. (2013). Teilhard de Chardin, Pierre - Houdin, R.J., Collection. DigitalGeorgetown.

Cita Chicago Style (17a ed.)

Teilhard de Chardin, Pierre, y R. J. Houdin. Teilhard De Chardin, Pierre - Houdin, R.J., Collection. Washington, D.C.: DigitalGeorgetown, 2013.

Cita MLA (8a ed.)

Teilhard de Chardin, Pierre, y R. J. Houdin. Teilhard De Chardin, Pierre - Houdin, R.J., Collection. DigitalGeorgetown, 2013.