Citazione Stile APA (7a Edizione)

Permanent Way Institution, London, & Hamnett, R. A. (1956). British railway track; design, construction and maintenance (2nd ed.). s.n.

Citazione stile Chigago Style (17a edizione)

Permanent Way Institution, London, e Ronald Albert Hamnett. British Railway Track; Design, Construction and Maintenance. 2nd ed. London: s.n, 1956.

Citatione MLA (9a ed.)

Permanent Way Institution, London, e Ronald Albert Hamnett. British Railway Track; Design, Construction and Maintenance. 2nd ed. s.n, 1956.