APA način citiranja

Biggs, J., Murphy, E. V., & Israel, M. A. (1992). A human Id-like helix-loop-helix protein expressed during early development. Proc Natl Acad Sci U S A.

Čikaški stil citiranja

Biggs, J., E V. Murphy, i M A. Israel. "A Human Id-like Helix-loop-helix Protein Expressed During Early Development." Proc Natl Acad Sci U S A 1992.

MLA način citiranja

Biggs, J., E V. Murphy, i M A. Israel. "A Human Id-like Helix-loop-helix Protein Expressed During Early Development." Proc Natl Acad Sci U S A 1992.