APA (7th ed.) Citation

James, P. W., & White, F. J. (1987). Studies on the Genus Nephroma I. The European and Macaronesian Species. Lichenologist, 19(3), 215. https://doi.org/10.1017/S0024282987000239

Chicago Style (17th ed.) Citation

James, P. W., and F. Joy White. "Studies on the Genus Nephroma I. The European and Macaronesian Species." Lichenologist 19, no. 3 (1987): 215. https://doi.org/10.1017/S0024282987000239.

MLA (9th ed.) Citation

James, P. W., and F. Joy White. "Studies on the Genus Nephroma I. The European and Macaronesian Species." Lichenologist, vol. 19, no. 3, 1987, p. 215, https://doi.org/10.1017/S0024282987000239.