APA (7th ed.) Zitazioa
Spear, A. H. (2010). Crossing the barriers: The autobiography of Allan H. Spear. University of Minnesota Press.
Chicago Style (17th ed.) Zitazioa
Spear, Allan H. Crossing the Barriers: The Autobiography of Allan H. Spear. Minneapolis: University of Minnesota Press, 2010.
MLA (9th ed.) Zitazioa
Spear, Allan H. Crossing the Barriers: The Autobiography of Allan H. Spear. University of Minnesota Press, 2010.
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