APA (7th ed.) Citation

Elton, A. (1947). British railways ([2d impression, rev.].). Collins.

Chicago Style (17th ed.) Citation

Elton, Arthur. British Railways. [2d impression, rev.]. London: Collins, 1947.

MLA (9th ed.) Citation

Elton, Arthur. British Railways. [2d impression, rev.]. Collins, 1947.