Cita APA (7a ed.)

Barker, R. C. (1988). The power of decision. Dood Mead.

Cita Chicago Style (17a ed.)

Barker, Raymond Charles. The Power of Decision. Dood Mead, 1988.

Cita MLA (9a ed.)

Barker, Raymond Charles. The Power of Decision. Dood Mead, 1988.