APA (7th ed.) Citation

Snell, J. B. (1972). Early Railways. Octopus Books.

Chicago Style (17th ed.) Citation

Snell, John Bernard. Early Railways. London: Octopus Books, 1972.

MLA (9th ed.) Citation

Snell, John Bernard. Early Railways. Octopus Books, 1972.

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