Gaya APA
Pierre, T, D, C. (1968).
Writings in time of war. Transl. by R. Hague. : Ecrits du temps de la guerre. 1965 .
London:
Collins.
Gaya MLA
Pierre, Teilhard, De, Chardin,.
"Writings in time of war. Transl. by R. Hague. : Ecrits du temps de la guerre. 1965 ".
London:
Collins,
1968.
Buku.