Cita APA (7a ed.)

Boulding, K. E. (1958). Principles of economic policy. Prentice-Hall.

Cita Chicago Style (17a ed.)

Boulding, Kenneth E. Principles of Economic Policy. Englewood Cliffs, N.J.: Prentice-Hall, 1958.

Cita MLA (8a ed.)

Boulding, Kenneth E. Principles of Economic Policy. Prentice-Hall, 1958.