APA (7th ed.) Citation

Fries, E. M. (1821). Systema mycologicum, sistens fungorum ordines, genera et species huc usque cognitas, quas ad normam methodi naturalis determinavit, disposuit atque descripsit Elias Fries. Mauritius.

Chicago Style (17th ed.) Citation

Fries, Elias Magnus. Systema Mycologicum, Sistens Fungorum Ordines, Genera Et Species Huc Usque Cognitas, Quas Ad Normam Methodi Naturalis Determinavit, Disposuit Atque Descripsit Elias Fries. Gryphiswaldae: Mauritius, 1821.

MLA (9th ed.) Citation

Fries, Elias Magnus. Systema Mycologicum, Sistens Fungorum Ordines, Genera Et Species Huc Usque Cognitas, Quas Ad Normam Methodi Naturalis Determinavit, Disposuit Atque Descripsit Elias Fries. Mauritius, 1821.