Cita APA (7a ed.)

Teilhard de Chardin, P., & Denny, N. (1969). The future of man (First issued in Fontana Religious Books.). Collins.

Cita Chicago Style (17a ed.)

Teilhard de Chardin, Pierre, y Norman Denny. The Future of Man. First issued in Fontana Religious Books. London: Collins, 1969.

Cita MLA (9a ed.)

Teilhard de Chardin, Pierre, y Norman Denny. The Future of Man. First issued in Fontana Religious Books. Collins, 1969.