APA (7th ed.) Citation

Karley, A., Parker, W., Pitchford, J., & Douglas, A. (2004). mid-season crash in aphid populations: Why and how does it occur? Ecological entomology, 29(4), 383-388. https://doi.org/10.1111/j.0307-6946.2004.00624.x

Chicago Style (17th ed.) Citation

Karley, A.J, W.E Parker, J.W Pitchford, and A.E Douglas. "Mid-season Crash in Aphid Populations: Why and How Does It Occur?" Ecological Entomology 29, no. 4 (2004): 383-388. https://doi.org/10.1111/j.0307-6946.2004.00624.x.

MLA (9th ed.) Citation

Karley, A.J, et al. "Mid-season Crash in Aphid Populations: Why and How Does It Occur?" Ecological Entomology, vol. 29, no. 4, 2004, pp. 383-388, https://doi.org/10.1111/j.0307-6946.2004.00624.x.