Citazione Stile APA (7a Edizione)

Edexcel, Digby, B., Hurst, C., Chapman, R., King, A., & Owen, A. (2008). AS geography for Edexcel. Oxford Univ. Press.

Citazione stile Chigago Style (17a edizione)

Edexcel, Bob Digby, Catherine Hurst, Russel Chapman, Anna King, e Andy Owen. AS Geography for Edexcel. Oxford [u.a.]: Oxford Univ. Press, 2008.

Citatione MLA (9a ed.)

Edexcel, et al. AS Geography for Edexcel. Oxford Univ. Press, 2008.