APA (7th ed.) Citation

Abbott, R. J. (2017). Plant speciation across environmental gradients and the occurrence and nature of hybrid zones. Journal of systematics and evolution : JSE, 55(4), 238-258. https://doi.org/10.1111/jse.12267

Chicago Style (17th ed.) Citation

Abbott, Richard J. "Plant Speciation Across Environmental Gradients and the Occurrence and Nature of Hybrid Zones." Journal of Systematics and Evolution : JSE 55, no. 4 (2017): 238-258. https://doi.org/10.1111/jse.12267.

MLA (9th ed.) Citation

Abbott, Richard J. "Plant Speciation Across Environmental Gradients and the Occurrence and Nature of Hybrid Zones." Journal of Systematics and Evolution : JSE, vol. 55, no. 4, 2017, pp. 238-258, https://doi.org/10.1111/jse.12267.