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 (8a ed.)

Erickson, Laura, y Betsy Bowen. Twelve Owls. University of Minnesota Press, 2011.