He traveled to Europe in 1910, and at that time decided to switch his study to painting.
In 1911 he began tutelage under Catalan painter Hermen Anglada, in Paris.
[2] When World War I broke out in 1914, Cittadini established his permanent residency in Majorca, thereby insulating himself from the complications of that conflict.
Cittadini was a prolific artist, working in oils, watercolor, and pencil.
A posthumous work (1965) showcased his thoughts, Vademecum del aspirante a pintor (The Student Painter's Handbook).