APA-referens (7:e uppl.)
Columbus, C., Major, R. H., Taylor, E. G. R., & Jane, L. C. (2010). Select documents illustrating the four voyages of Columbus: Including those contained in R.H. Major's Select letters of Christopher Columbus. Ashgate.
Chicago-referens (17:e uppl.)
Columbus, Christopher, Richard Henry Major, E. G. R. Taylor, och Lionel Cecil Jane. Select Documents Illustrating the Four Voyages of Columbus: Including Those Contained in R.H. Major's Select Letters of Christopher Columbus. Surrey: Ashgate, 2010.
MLA-referens (9:e uppl.)
Columbus, Christopher, et al. Select Documents Illustrating the Four Voyages of Columbus: Including Those Contained in R.H. Major's Select Letters of Christopher Columbus. Ashgate, 2010.
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