Cita APA (7a ed.)

Steiner, R. (1966). The threefold social order (New ed.). Anthroposophic Press.

Cita Chicago Style (17a ed.)

Steiner, Rudolf. The Threefold Social Order. New ed. New York: Anthroposophic Press, 1966.

Cita MLA (9a ed.)

Steiner, Rudolf. The Threefold Social Order. New ed. Anthroposophic Press, 1966.