Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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