Citazione Stile APA (7a Edizione)

Urrutia, M. (1969). The development of the Colombian labor movement. Yale University Press.

Citazione stile Chigago Style (17a edizione)

Urrutia, Miguel. The Development of the Colombian Labor Movement. New Haven: Yale University Press, 1969.

Citatione MLA (9a ed.)

Urrutia, Miguel. The Development of the Colombian Labor Movement. Yale University Press, 1969.