APA (7th ed.) Citation

Marshall, T. (2018). The age of walls: How barriers between nations are changing our world. Scribner.

Chicago Style (17th ed.) Citation

Marshall, Tim. The Age of Walls: How Barriers Between Nations Are Changing Our World. London: Scribner, 2018.

MLA (9th ed.) Citation

Marshall, Tim. The Age of Walls: How Barriers Between Nations Are Changing Our World. Scribner, 2018.

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