APA (7th ed.) Citation

Protheroe, E. The Railways of the world. George Routledge.

Chicago Style (17th ed.) Citation

Protheroe, Ernest. The Railways of the World. London: George Routledge.

MLA (9th ed.) Citation

Protheroe, Ernest. The Railways of the World. George Routledge.

Warning: These citations may not always be 100% accurate.