Cita APA (7a ed.)

Andreas, P., & Snyder, T. (2000). The wall around the West: State borders and immigration controls in North America and Europe. Rowman & Littlefield.

Cita Chicago Style (17a ed.)

Andreas, Peter, y Timothy Snyder. The Wall Around the West: State Borders and Immigration Controls in North America and Europe. Lanham, Md. [u.a.]: Rowman & Littlefield, 2000.

Cita MLA (9a ed.)

Andreas, Peter, y Timothy Snyder. The Wall Around the West: State Borders and Immigration Controls in North America and Europe. Rowman & Littlefield, 2000.