Citazione Stile APA (7a Edizione)

Assessment and Qualifications Alliance, Ferriby, D., Hewitt, T., & McCabe, J. (2009). Twentieth century depth studies (1. impr.). Nelson Thornes.

Citazione stile Chigago Style (17a edizione)

Assessment and Qualifications Alliance, David Ferriby, Tony Hewitt, e Jim McCabe. Twentieth Century Depth Studies. 1. impr. Cheltenham: Nelson Thornes, 2009.

Citatione MLA (9a ed.)

Assessment and Qualifications Alliance, et al. Twentieth Century Depth Studies. 1. impr. Nelson Thornes, 2009.