SEGARRA-MORAGUES, J. G., VILLAR, L., LÓPEZ, J., PÉREZ-COLLAZOS, E., & CATALÁN, P. (2007). A new Pyrenean hybrid Cirsium (Asteraceae) as revealed by morphological and molecular analyses. Botanical Journal of the Linnean Society, 154(3), 421. https://doi.org/10.1111/j.1095-8339.2007.00668.x
Chicago Style (17th ed.) CitationSEGARRA-MORAGUES, JOSÉ GABRIEL, LUIS VILLAR, JOSEFA LÓPEZ, ERNESTO PÉREZ-COLLAZOS, and PILAR CATALÁN. "A New Pyrenean Hybrid Cirsium (Asteraceae) as Revealed by Morphological and Molecular Analyses." Botanical Journal of the Linnean Society 154, no. 3 (2007): 421. https://doi.org/10.1111/j.1095-8339.2007.00668.x.
MLA (9th ed.) CitationSEGARRA-MORAGUES, JOSÉ GABRIEL, et al. "A New Pyrenean Hybrid Cirsium (Asteraceae) as Revealed by Morphological and Molecular Analyses." Botanical Journal of the Linnean Society, vol. 154, no. 3, 2007, p. 421, https://doi.org/10.1111/j.1095-8339.2007.00668.x.