APA (7th ed.) Citation

Ahti, T. (1967). Nomenclatural notes on Cladonia delessertii and Cladonia alpicola. [American Bryological and Lichenological Society].

Chicago Style (17th ed.) Citation

Ahti, Teuvo. Nomenclatural Notes on Cladonia Delessertii and Cladonia Alpicola. [Ann Arbor, Mich.]: [American Bryological and Lichenological Society], 1967.

MLA (9th ed.) Citation

Ahti, Teuvo. Nomenclatural Notes on Cladonia Delessertii and Cladonia Alpicola. [American Bryological and Lichenological Society], 1967.