Cita APA (7a ed.)
Butler, D. H., & Porter, J. L. (1998). M is for Minnesota. University of Minnesota Press.
Cita Chicago Style (17a ed.)
Butler, Dori Hillestad, y Janice Lee Porter. M Is for Minnesota. Minneapolis: University of Minnesota Press, 1998.
Cita MLA (9a ed.)
Butler, Dori Hillestad, y Janice Lee Porter. M Is for Minnesota. University of Minnesota Press, 1998.
Precaución: Estas citas no son 100% exactas.