Bro, E., Reitz, F., & Landry, P. (2005). Grey partridge Perdix perdix population status in central northern France. Wildlife Biology, 11(4), 287. https://doi.org/10.2981/0909-6396(2005)11[287:GPPPPS]2.0.CO;2
Chicago Style (17th ed.) CitationBro, Elisabeth, François Reitz, and Philippe Landry. "Grey Partridge Perdix Perdix Population Status in Central Northern France." Wildlife Biology 11, no. 4 (2005): 287. https://doi.org/10.2981/0909-6396(2005)11[287:GPPPPS]2.0.CO;2.
MLA (9th ed.) CitationBro, Elisabeth, et al. "Grey Partridge Perdix Perdix Population Status in Central Northern France." Wildlife Biology, vol. 11, no. 4, 2005, p. 287, https://doi.org/10.2981/0909-6396(2005)11[287:GPPPPS]2.0.CO;2.
Warning: These citations may not always be 100% accurate.