APA (7th ed.) Citation

Kühl, H. S., & Burghardt, T. (2013). Animal biometrics: Quantifying and detecting phenotypic appearance. Trends in ecology & evolution (Amsterdam), 28(7), 432-441. https://doi.org/10.1016/j.tree.2013.02.013

Chicago Style (17th ed.) Citation

Kühl, Hjalmar S., and Tilo Burghardt. "Animal Biometrics: Quantifying and Detecting Phenotypic Appearance." Trends in Ecology & Evolution (Amsterdam) 28, no. 7 (2013): 432-441. https://doi.org/10.1016/j.tree.2013.02.013.

MLA (9th ed.) Citation

Kühl, Hjalmar S., and Tilo Burghardt. "Animal Biometrics: Quantifying and Detecting Phenotypic Appearance." Trends in Ecology & Evolution (Amsterdam), vol. 28, no. 7, 2013, pp. 432-441, https://doi.org/10.1016/j.tree.2013.02.013.

Warning: These citations may not always be 100% accurate.