APA-viite (7. p.)
ebrary, Inc, & Sparks, P. R. (1991). Hurricane Elena, Gulf Coast, August 29-September 2, 1985. National Academy Press.
Chicago-viite (17. p.)
ebrary, Inc, ja Peter R. Sparks. Hurricane Elena, Gulf Coast, August 29-September 2, 1985. Washington, D.C.: National Academy Press, 1991.
MLA-viite (9. p.)
ebrary, Inc, ja Peter R. Sparks. Hurricane Elena, Gulf Coast, August 29-September 2, 1985. National Academy Press, 1991.
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