Cita APA

Ferriby, D., McCabe, J., Mendum, A., Hewitt, T., & Clare, J. D. (2009). GCSE History AQA B: Modern world history.

Citación estilo Chicago

Ferriby, David, Jim McCabe, Alan Mendum, Tony Hewitt, y John D. Clare. GCSE History AQA B: Modern World History. 2009.

Cita MLA

Ferriby, David, et al. GCSE History AQA B: Modern World History. 2009.