Cita APA (7th ed.)

Bretz, E. Clear skies ahead [navigation systems]. IEEE spectrum.

Cita Chicago (17th ed.)

Bretz, E.A. "Clear Skies Ahead [navigation Systems]." IEEE Spectrum .

Cita MLA (9th ed.)

Bretz, E.A. "Clear Skies Ahead [navigation Systems]." IEEE Spectrum, .