Cita APA (7a ed.)

Harford,Tim. (2017). Fifty things that made the modern economy (NA.). Little,Brown.

Cita Chicago Style (17a ed.)

Harford,Tim. Fifty Things That Made the Modern Economy. NA. UK: Little,Brown, 2017.

Cita MLA (9a ed.)

Harford,Tim. Fifty Things That Made the Modern Economy. NA. Little,Brown, 2017.