APA-Zitierstil (7. Ausg.)
National Research Council (U.S.). Space Studies Board & ebrary, Inc. (2008). Opening new frontiers in space: Choices for the next new frontiers : announcement of opportunity. National Academies Press.
Chicago-Zitierstil (17. Ausg.)
National Research Council (U.S.). Space Studies Board und Inc ebrary. Opening New Frontiers in Space: Choices for the Next New Frontiers : Announcement of Opportunity. Washington: National Academies Press, 2008.
MLA-Zitierstil (9. Ausg.)
National Research Council (U.S.). Space Studies Board und Inc ebrary. Opening New Frontiers in Space: Choices for the Next New Frontiers : Announcement of Opportunity. National Academies Press, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.