Cita APA (7a ed.)

Johnsgard, P. A. (2011). Sandhill and Whooping Cranes: Ancient Voices over America's Wetlands. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Johnsgard, Paul A. Sandhill and Whooping Cranes: Ancient Voices over America's Wetlands. London: University of Nebraska Press, 2011.

Cita MLA (8a ed.)

Johnsgard, Paul A. Sandhill and Whooping Cranes: Ancient Voices over America's Wetlands. University of Nebraska Press, 2011.