Citazione Stile APA (7a Edizione)

Seeley, H. G. (1865). IX.—On Plesiosaurus macropterus, a new species from the lias of Whitby. Zenodo.

Citazione stile Chigago Style (17a edizione)

Seeley, H. G. IX.—On Plesiosaurus Macropterus, a New Species from the Lias of Whitby. Zenodo, 1865.

Citatione MLA (9a ed.)

Seeley, H. G. IX.—On Plesiosaurus Macropterus, a New Species from the Lias of Whitby. Zenodo, 1865.