Gaya APA
Pierre, T, D, C. (1968).
Le milieu divin: An essay on the interior life, 7th impr. Cet.I 1957 .
London:
London Collins.
Gaya MLA
Pierre, Teilhard, De, Chardin,.
"Le milieu divin: An essay on the interior life, 7th impr. Cet.I 1957 ".
London:
London Collins,
1968.
Buku.