Cita APA (7th ed.)

Khalil, E. L., & Boulding, K. E. (2002). Evolution, order, and complexity. Routledge.

Cita Chicago (17th ed.)

Khalil, Elias L., i Kenneth E. Boulding. Evolution, Order, and Complexity. London ; New York: Routledge, 2002.

Cita MLA (9th ed.)

Khalil, Elias L., i Kenneth E. Boulding. Evolution, Order, and Complexity. Routledge, 2002.