Citazione Stile APA (7a Edizione)

Bernard, J. L. (1973). Index to the species of mollusca introduced frpm 1850 to 1870. Smithsonian Institution Press; [for sale by the Supt. of Docs.

Citazione stile Chigago Style (17a edizione)

Bernard, J. Laurens. Index to the Species of Mollusca Introduced Frpm 1850 to 1870. Washington: Smithsonian Institution Press; [for sale by the Supt. of Docs, 1973.

Citatione MLA (9a ed.)

Bernard, J. Laurens. Index to the Species of Mollusca Introduced Frpm 1850 to 1870. Smithsonian Institution Press; [for sale by the Supt. of Docs, 1973.