APA (7th ed.) Citation

Darwin, J. (2020). Unlocking the World: Port Cities and Globalization in the Age of Steam, 1830-1930. Allen Lane.

Chicago Style (17th ed.) Citation

Darwin, John. Unlocking the World: Port Cities and Globalization in the Age of Steam, 1830-1930. UK: Allen Lane, 2020.

MLA (9th ed.) Citation

Darwin, John. Unlocking the World: Port Cities and Globalization in the Age of Steam, 1830-1930. Allen Lane, 2020.

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