APA aipamena

(1974). SCIENTIFIC AMERICAN ( J ). SCIENTIFIC AMERICAN, INC.

Chicago Style aipamena

SCIENTIFIC AMERICAN ( J ). U: SCIENTIFIC AMERICAN, INC, 1974.

MLA aipamena

SCIENTIFIC AMERICAN ( J ). SCIENTIFIC AMERICAN, INC, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.