Cita APA (7a ed.)

Olsen, W. S. (2008). Hard air: Adventures from the edge of flying. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Olsen, W. Scott. Hard Air: Adventures from the Edge of Flying. Lincoln: University of Nebraska Press, 2008.

Cita MLA (8a ed.)

Olsen, W. Scott. Hard Air: Adventures from the Edge of Flying. University of Nebraska Press, 2008.

Precaución: Estas citas no son 100% exactas.