APA (7th ed.) Citation

Rieppel, O. (1993). Status of the Pachypleurosauroid Psilotrachelosaurus toeplitschi Nopcsa (Reptilia, Sauropterygia), from the Middle Triassic of Austria. Museum of Natural History.

Chicago Style (17th ed.) Citation

Rieppel, Olivier. Status of the Pachypleurosauroid Psilotrachelosaurus Toeplitschi Nopcsa (Reptilia, Sauropterygia), from the Middle Triassic of Austria. Chicago, Ill: Museum of Natural History, 1993.

MLA (9th ed.) Citation

Rieppel, Olivier. Status of the Pachypleurosauroid Psilotrachelosaurus Toeplitschi Nopcsa (Reptilia, Sauropterygia), from the Middle Triassic of Austria. Museum of Natural History, 1993.