Cita APA (7a ed.)

Widdowson, J., Blackshaw, R., King, M., Oakes, S., Wheeler, S., & Witherick, M. (2016). AQA GCSE (9-1) geography ([Student book], AQA approved.). Hodder Education, an Hachette UK Company.

Cita Chicago Style (17a ed.)

Widdowson, John, Rebecca Blackshaw, Meryl King, Simon Oakes, Sarah Wheeler, y Michael Witherick. AQA GCSE (9-1) Geography. [Student book], AQA approved. London: Hodder Education, an Hachette UK Company, 2016.

Cita MLA (9a ed.)

Widdowson, John, et al. AQA GCSE (9-1) Geography. [Student book], AQA approved. Hodder Education, an Hachette UK Company, 2016.