Perry, S. (1989). The 97th step. Ace Books.
Chicago Style (17th ed.) CitationPerry, Steve. The 97th Step. New York: Ace Books, 1989.
MLA (9th ed.) CitationPerry, Steve. The 97th Step. Ace Books, 1989.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.