Cita APA (7th ed.)
Borchert, J. R., & Michaelsen, K. (1959). Minnesota's changing geography ([Teacher's ed.].). University of Minnesota Press.
Cita Chicago (17th ed.)
Borchert, John R., i Katherine Michaelsen. Minnesota's Changing Geography. [Teacher's ed.]. Minneapolis: University of Minnesota Press, 1959.
Cita MLA (9th ed.)
Borchert, John R., i Katherine Michaelsen. Minnesota's Changing Geography. [Teacher's ed.]. University of Minnesota Press, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.