APA (7th ed.) Citation

Wolmar, C. (2010). Blood, iron, & gold: How the railroads transformed the world (1st edition.). Atlantic Books.

Chicago Style (17th ed.) Citation

Wolmar, Christian. Blood, Iron, & Gold: How the Railroads Transformed the World. 1st edition. London: Atlantic Books, 2010.

MLA (9th ed.) Citation

Wolmar, Christian. Blood, Iron, & Gold: How the Railroads Transformed the World. 1st edition. Atlantic Books, 2010.

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