APA (7th ed.) Zitazioa
(1894). Publications of the University of Pennsylvania; Contributions from the Zoological Laboratory of the Univ. of Pennsylvania.
Chicago Style (17th ed.) Zitazioa
Publications of the University of Pennsylvania; Contributions from the Zoological Laboratory of the Univ. of Pennsylvania. Philadelphia, 1894.
MLA (9th ed.) Zitazioa
Publications of the University of Pennsylvania; Contributions from the Zoological Laboratory of the Univ. of Pennsylvania. 1894.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.