APA (7th ed.) Citation

Ryvarden, L., Melo, I., & Niemelä, T. (2017). Poroid fungi of Europe (Second revised edition.). Fungiflora.

Chicago Style (17th ed.) Citation

Ryvarden, Leif, Ireneia Melo, and Tuomo Niemelä. Poroid Fungi of Europe. Second revised edition. Oslo: Fungiflora, 2017.

MLA (9th ed.) Citation

Ryvarden, Leif, et al. Poroid Fungi of Europe. Second revised edition. Fungiflora, 2017.