Cita APA (7a ed.)

Widdowson, J., Blackshaw, R., King, M., & Oakes, S. (2020). Geography (AQA GCSE (9-1), second edition.). Hodder Education.

Cita Chicago Style (17a ed.)

Widdowson, John, Rebecca Blackshaw, Meryl King, y Simon Oakes. Geography. AQA GCSE (9-1), second edition. London: Hodder Education, 2020.

Cita MLA (9a ed.)

Widdowson, John, et al. Geography. AQA GCSE (9-1), second edition. Hodder Education, 2020.