Cita APA (7th ed.)
Johnsgard, P. A. (2014). Seasons of the tallgrass prairie: A Nebraska year. University of Nebraska Press.
Cita Chicago (17th ed.)
Johnsgard, Paul A. Seasons of the Tallgrass Prairie: A Nebraska Year. Lincoln, Nebraska ; London: University of Nebraska Press, 2014.
Cita MLA (9th ed.)
Johnsgard, Paul A. Seasons of the Tallgrass Prairie: A Nebraska Year. University of Nebraska Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.