Cita APA

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

Citación estilo Chicago

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

Cita MLA

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