Cita APA (7a ed.)

Boulding, K. E., Boulding, E., & Burgess, G. M. (1980). The social system of the planet eart. Addison-Wesley Publishing Company.

Cita Chicago Style (17a ed.)

Boulding, Kenneth Ewart, Elise Boulding, y Guy M. Burgess. The Social System of the Planet Eart. Reading, Massachusetts [i pozostałe]: Addison-Wesley Publishing Company, 1980.

Cita MLA (9a ed.)

Boulding, Kenneth Ewart, et al. The Social System of the Planet Eart. Addison-Wesley Publishing Company, 1980.