Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Ponnamperuma, C., Lemmon, R. M., Mariner, R., & Calvin, M. (1963). FORMATION OF ADENINE BY ELECTRON IRRADIATION OF METHANE, AMMONIA, AND WATER. Proc Natl Acad Sci U S A.
Chicago Style (17th ed.) Zitazioa
Ponnamperuma, Cyril, Richard M. Lemmon, Ruth Mariner, eta Melvin Calvin. "FORMATION OF ADENINE BY ELECTRON IRRADIATION OF METHANE, AMMONIA, AND WATER." Proc Natl Acad Sci U S A 1963.
MLA (9th ed.) Zitazioa
Ponnamperuma, Cyril, et al. "FORMATION OF ADENINE BY ELECTRON IRRADIATION OF METHANE, AMMONIA, AND WATER." Proc Natl Acad Sci U S A, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.