Citazione Stile APA (7a Edizione)

Radder, H. (2006). The world observed, the world conceived. University of Pittsburgh Press.

Citazione stile Chigago Style (17a edizione)

Radder, Hans. The World Observed, the World Conceived. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2006.

Citatione MLA (9a ed.)

Radder, Hans. The World Observed, the World Conceived. University of Pittsburgh Press, 2006.