Cita APA (7a ed.)

Berry, T. M. (1999). The great work: Our way into the future. Bell Tower.

Cita Chicago Style (17a ed.)

Berry, Thomas Mary. The Great Work: Our Way into the Future. New York: Bell Tower, 1999.

Cita MLA (8a ed.)

Berry, Thomas Mary. The Great Work: Our Way into the Future. Bell Tower, 1999.