APA (7th ed.) Citation

Vera, E. I. Alienopteris livingstonensis gen. et sp. nov., enigmatic petrified tree fern stem (Cyatheales) from the Aptian Cerro Negro Formation, Antarctica. Cretaceous Research, 30(2), 401.

Chicago Style (17th ed.) Citation

Vera, Ezequiel Ignacio. "Alienopteris Livingstonensis Gen. Et Sp. Nov., Enigmatic Petrified Tree Fern Stem (Cyatheales) from the Aptian Cerro Negro Formation, Antarctica." Cretaceous Research 30, no. 2 (): 401.

MLA (9th ed.) Citation

Vera, Ezequiel Ignacio. "Alienopteris Livingstonensis Gen. Et Sp. Nov., Enigmatic Petrified Tree Fern Stem (Cyatheales) from the Aptian Cerro Negro Formation, Antarctica." Cretaceous Research, vol. 30, no. 2, , p. 401.