APA (7th ed.) Citation

Ryvarden, L., Stokland, J., & Larsson, K. (2003). A critical checklist of corticioid and poroid fungi of Norway. Fungiflora.

Chicago Style (17th ed.) Citation

Ryvarden, Leif, Jogeir Stokland, and Karl-Henrik Larsson. A Critical Checklist of Corticioid and Poroid Fungi of Norway. Oslo: Fungiflora, 2003.

MLA (9th ed.) Citation

Ryvarden, Leif, et al. A Critical Checklist of Corticioid and Poroid Fungi of Norway. Fungiflora, 2003.