APA (7th ed.) Citation

Gallone, B., Kuyper, T. W., & Nuytinck, J. The genus Cortinarius should not (yet) be split. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Gallone, Brigida, Thomas W. Kuyper, and Jorinde Nuytinck. The Genus Cortinarius Should Not (yet) Be Split. Pensoft Publishers.

MLA (9th ed.) Citation

Gallone, Brigida, et al. The Genus Cortinarius Should Not (yet) Be Split. Pensoft Publishers.