APA aipamena

Fedoroff, N. V., & Cohen, J. E. (1999). Plants and population: Is there time? Proc Natl Acad Sci U S A.

Chicago Style aipamena

Fedoroff, Nina V., and Joel E. Cohen. "Plants and Population: Is There Time?" Proc Natl Acad Sci U S A 1999.

MLA aipamena

Fedoroff, Nina V., and Joel E. Cohen. "Plants and Population: Is There Time?" Proc Natl Acad Sci U S A 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.