APA način citiranja

Ambrosini, R., Martinelli, R., Muller, A. P., Ninni, P., & Saino, N. Gape coloration reliably reflects immunocompetence of barn swallow (Hirundo rustica) nestlings.

Čikaški stil citiranja

Ambrosini, Roberto., Roberta Martinelli, Anders Pape Muller, Paola Ninni, i Nicola Saino. Gape Coloration Reliably Reflects Immunocompetence of Barn Swallow (Hirundo Rustica) Nestlings.

MLA način citiranja

Ambrosini, Roberto., et al. Gape Coloration Reliably Reflects Immunocompetence of Barn Swallow (Hirundo Rustica) Nestlings.