Citazione Stile APA (7a Edizione)

NA. (1845). Extract of a note from J. E. Gray, Esq., relative to his paper on the animal of Spirula, p. 257. Zenodo.

Citazione stile Chigago Style (17a edizione)

NA. Extract of a Note from J. E. Gray, Esq., Relative to His Paper on the Animal of Spirula, P. 257. Zenodo, 1845.

Citatione MLA (9a ed.)

NA. Extract of a Note from J. E. Gray, Esq., Relative to His Paper on the Animal of Spirula, P. 257. Zenodo, 1845.