APA (7th ed.) Zitazioa

Various; Youmans, W. J. Appletons' Popular Science Monthly, November 1898 Volume 54, November 1898.

Chicago Style (17th ed.) Zitazioa

Various; Youmans, William Jay. Appletons' Popular Science Monthly, November 1898 Volume 54, November 1898.

MLA (9th ed.) Zitazioa

Various; Youmans, William Jay. Appletons' Popular Science Monthly, November 1898 Volume 54, November 1898.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.