APA (7th ed.) Zitazioa
Stafford, J. (1896). Anatomical Structure of Aspidogaster conchicola.
Chicago Style (17th ed.) Zitazioa
Stafford, Josef. Anatomical Structure of Aspidogaster Conchicola. Leipzig, 1896.
MLA (9th ed.) Zitazioa
Stafford, Josef. Anatomical Structure of Aspidogaster Conchicola. 1896.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.