एपीए उद्धरण

(2011). Sky & Telescope, the Essential Magazine of Astronomy. May 1998. Sky Publishing Corp.

शिकागो स्टाइल उद्धरण

Sky & Telescope, the Essential Magazine of Astronomy. May 1998. Sky Publishing Corp, 2011.

एमएलए उद्धरण

Sky & Telescope, the Essential Magazine of Astronomy. May 1998. Sky Publishing Corp, 2011.