Cita APA (7a ed.)

Puffert, D. J. (1994). The technical integration of the european railway network.

Cita Chicago Style (17a ed.)

Puffert, Douglas J. The Technical Integration of the European Railway Network. 1994.

Cita MLA (9a ed.)

Puffert, Douglas J. The Technical Integration of the European Railway Network. 1994.