Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Yokoyama, S., Radlwimmer, F. B., & Blow, N. S. (2000). Ultraviolet pigments in birds evolved from violet pigments by a single amino acid change. Proc Natl Acad Sci U S A.
Chicago Style (17th ed.) Zitazioa
Yokoyama, Shozo, F. Bernhard Radlwimmer, eta Nathan S. Blow. "Ultraviolet Pigments in Birds Evolved from Violet Pigments by a Single Amino Acid Change." Proc Natl Acad Sci U S A 2000.
MLA (9th ed.) Zitazioa
Yokoyama, Shozo, et al. "Ultraviolet Pigments in Birds Evolved from Violet Pigments by a Single Amino Acid Change." Proc Natl Acad Sci U S A, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.