एपीए उद्धरण

Blanco, G., Davila, J. A., Martinez-Padilla, J., Serrano, D., & Vinuela, J. First evidence of sex differences in the duration of avian embryonic period: Consequences for sibling competition in sexually dimorphic birds.

शिकागो स्टाइल उद्धरण

Blanco, Guillermo., Jose A. Davila, Jesus Martinez-Padilla, David Serrano, और Javier Vinuela. First Evidence of Sex Differences in the Duration of Avian Embryonic Period: Consequences for Sibling Competition in Sexually Dimorphic Birds.

एमएलए उद्धरण

Blanco, Guillermo., et al. First Evidence of Sex Differences in the Duration of Avian Embryonic Period: Consequences for Sibling Competition in Sexually Dimorphic Birds.