APA (7th ed.) Citation

Ryvarden, L. (1991). Genera of Polypores: Nomenclature and taxonomy. Fungiflora.

Chicago Style (17th ed.) Citation

Ryvarden, Leif. Genera of Polypores: Nomenclature and Taxonomy. Oslo: Fungiflora, 1991.

MLA (9th ed.) Citation

Ryvarden, Leif. Genera of Polypores: Nomenclature and Taxonomy. Fungiflora, 1991.

Warning: These citations may not always be 100% accurate.