Jackson, W. (1998). The four ages: Together with essays on various subjects. Thoemmes.
Citazione stile Chigago Style (17a edizione)Jackson, William. The Four Ages: Together with Essays on Various Subjects. Bristol: Thoemmes, 1998.
Citatione MLA (8a ed.)Jackson, William. The Four Ages: Together with Essays on Various Subjects. Thoemmes, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.