Cita APA (7th ed.)
Spear, A. H. (2010). Crossing the barriers: The autobiography of Allan H. Spear. University of Minnesota Press.
Cita Chicago (17th ed.)
Spear, Allan H. Crossing the Barriers: The Autobiography of Allan H. Spear. Minneapolis: University of Minnesota Press, 2010.
Cita MLA (9th ed.)
Spear, Allan H. Crossing the Barriers: The Autobiography of Allan H. Spear. University of Minnesota Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.