Παραπομπή APA

Nasr, S. H. (1976). Man and nature: The spiritual crisis of modern man. Longman.

Παραπομπή Chicago Style

Nasr, Seyyed Hossein. Man and Nature: The Spiritual Crisis of Modern Man. London: Longman, 1976.

Παραπομπή MLA

Nasr, Seyyed Hossein. Man and Nature: The Spiritual Crisis of Modern Man. Longman, 1976.