Cita APA (7a ed.)

Watkinson, J. (2004). Art of the helicopter. Elsevier Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Watkinson, John. Art of the Helicopter. Oxford ; Burlington, MA: Elsevier Butterworth-Heinemann, 2004.

Cita MLA (9a ed.)

Watkinson, John. Art of the Helicopter. Elsevier Butterworth-Heinemann, 2004.