Cita APA (7a ed.)
Erickson, L., & Bowen, B. (2011). Twelve owls. University of Minnesota Press.
Cita Chicago Style (17a ed.)
Erickson, Laura, y Betsy Bowen. Twelve Owls. Minneapolis: University of Minnesota Press, 2011.
Cita MLA (9a ed.)
Erickson, Laura, y Betsy Bowen. Twelve Owls. University of Minnesota Press, 2011.
Precaución: Estas citas no son 100% exactas.