Citazione Stile APA (7a Edizione)
ebrary, Inc, Balfour, S., & Preston, P. (1999). Spain and the great powers in the twentieth century. Routledge.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, Sebastian Balfour, e Paul Preston. Spain and the Great Powers in the Twentieth Century. New York: Routledge, 1999.
Citatione MLA (9a ed.)
ebrary, Inc, et al. Spain and the Great Powers in the Twentieth Century. Routledge, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.