Cita APA (7a ed.)

Von der Heydt, J. E. (2008). At the brink of infinity: Poetic humility in boundless American space. University of Iowa Press.

Cita Chicago Style (17a ed.)

Von der Heydt, James E. At the Brink of Infinity: Poetic Humility in Boundless American Space. Iowa City: University of Iowa Press, 2008.

Cita MLA (9a ed.)

Von der Heydt, James E. At the Brink of Infinity: Poetic Humility in Boundless American Space. University of Iowa Press, 2008.