Cita APA (7a ed.)

Boyle, D., & Simms, A. (2019). Economics (1st published.). Ivy.

Cita Chicago Style (17a ed.)

Boyle, David, y Andrew Simms. Economics. 1st published. London: Ivy, 2019.

Cita MLA (9a ed.)

Boyle, David, y Andrew Simms. Economics. 1st published. Ivy, 2019.