Template: RefDSN427
From Trekipedia
Berman, Rick & Michael Piller (Executive Producers). "Rules of Acquisition". Star Trek: Deep Space Nine, season 2, episode 7 (Production number 427). Directed by David Livingston. Story by Hilary J. Bader. Teleplay by Ira Steven Behr. Paramount Pictures. 8 November 1993.