Cita APA (7a ed.)

Harford, T. (2018). Fifty things thah made the modern economy. Abacus.

Cita Chicago Style (17a ed.)

Harford, Tim. Fifty Things Thah Made the Modern Economy. London, United Kingdom: Abacus, 2018.

Cita MLA (9a ed.)

Harford, Tim. Fifty Things Thah Made the Modern Economy. Abacus, 2018.