Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Thiel, T., Lyons, E. M., Erker, J. C., & Ernst, A. (1995). A second nitrogenase in vegetative cells of a heterocyst-forming cyanobacterium. Proc Natl Acad Sci U S A.
Chicago Style (17th ed.) Zitazioa
Thiel, T., E M. Lyons, J C. Erker, eta A. Ernst. "A Second Nitrogenase in Vegetative Cells of a Heterocyst-forming Cyanobacterium." Proc Natl Acad Sci U S A 1995.
MLA (9th ed.) Zitazioa
Thiel, T., et al. "A Second Nitrogenase in Vegetative Cells of a Heterocyst-forming Cyanobacterium." Proc Natl Acad Sci U S A, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.