Felix, R. W. (2000). Not by fire but by ice: Discover what killed the dinosours ... and why it could soon kill us (2nd edition.). Sugarhouse Publishing.
Chicago-Zitierstil (17. Ausg.)Felix, Robert W. Not by Fire but by Ice: Discover What Killed the Dinosours ... and Why It Could Soon Kill Us. 2nd edition. Bellevue, Washington: Sugarhouse Publishing, 2000.
MLA-Zitierstil (9. Ausg.)Felix, Robert W. Not by Fire but by Ice: Discover What Killed the Dinosours ... and Why It Could Soon Kill Us. 2nd edition. Sugarhouse Publishing, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.