APA (7th ed.) Zitazioa
Spruill, M. (2010). Summer thunder: A battlefield guide to the artillery at Gettysburg. University of Tennessee Press.
Chicago Style (17th ed.) Zitazioa
Spruill, Matt. Summer Thunder: A Battlefield Guide to the Artillery at Gettysburg. Knoxville: University of Tennessee Press, 2010.
MLA (9th ed.) Zitazioa
Spruill, Matt. Summer Thunder: A Battlefield Guide to the Artillery at Gettysburg. University of Tennessee Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.