Cita APA (7a ed.)

Nasr, S. H. (1968). The encounter of man and nature: The spiritual crisis of modern man. George Allen and Unwin.

Cita Chicago Style (17a ed.)

Nasr, Seyyed Hossein. The Encounter of Man and Nature: The Spiritual Crisis of Modern Man. London: George Allen and Unwin, 1968.

Cita MLA (9a ed.)

Nasr, Seyyed Hossein. The Encounter of Man and Nature: The Spiritual Crisis of Modern Man. George Allen and Unwin, 1968.