APA (7th ed.) Zitazioa

Various. Scientific American Supplement, No. 530, February 27, 1886.

Chicago Style (17th ed.) Zitazioa

Various. Scientific American Supplement, No. 530, February 27, 1886.

MLA (9th ed.) Zitazioa

Various. Scientific American Supplement, No. 530, February 27, 1886.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.