Upchurch, P., Tomida, Y., & Barrett, P. (2004). A new specimen of Apatosaurus Ajax (Sauropoda: Diplodocidae) from the Morrison Formation (Upper Jurassic) of Wyoming, USA. National Science Museum.
Chicago-Zitierstil (17. Ausg.)Upchurch, Paul, Yukimitsu Tomida, und Paul Barrett. A New Specimen of Apatosaurus Ajax (Sauropoda: Diplodocidae) from the Morrison Formation (Upper Jurassic) of Wyoming, USA. Tokyo: National Science Museum, 2004.
MLA-Zitierstil (9. Ausg.)Upchurch, Paul, et al. A New Specimen of Apatosaurus Ajax (Sauropoda: Diplodocidae) from the Morrison Formation (Upper Jurassic) of Wyoming, USA. National Science Museum, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.