Cita APA (7a ed.)

Boulding, E., & Boulding, K. E. (1995). The future: Images and processes. Sage Publications.

Cita Chicago Style (17a ed.)

Boulding, Elise, y Kenneth E. Boulding. The Future: Images and Processes. Thousand Oaks, Calif.: Sage Publications, 1995.

Cita MLA (8a ed.)

Boulding, Elise, y Kenneth E. Boulding. The Future: Images and Processes. Sage Publications, 1995.