Cita APA (7a ed.)

Guizzo, E. How to Keep 18 Million People Moving. IEEE spectrum.

Cita Chicago Style (17a ed.)

Guizzo, E. "How to Keep 18 Million People Moving." IEEE Spectrum .

Cita MLA (9a ed.)

Guizzo, E. "How to Keep 18 Million People Moving." IEEE Spectrum, .