Cita APA (7a ed.)

Perpinya, X., & Perpinya, X. (2012). Infrastructure Design, Signalling and Security in Railway. IntechOpen.

Cita Chicago Style (17a ed.)

Perpinya, Xavier, y Xavier Perpinya. Infrastructure Design, Signalling and Security in Railway. Rijeka, Croatia: IntechOpen, 2012.

Cita MLA (9a ed.)

Perpinya, Xavier, y Xavier Perpinya. Infrastructure Design, Signalling and Security in Railway. IntechOpen, 2012.