APA (7th ed.) Citation

Arup, U. (2009). The Caloplaca holocarpa group in the Nordic countries, except Iceland. The Lichenologist, 41(2), 111.

Chicago Style (17th ed.) Citation

Arup, Ulf. "The Caloplaca Holocarpa Group in the Nordic Countries, Except Iceland." The Lichenologist 41, no. 2 (2009): 111.

MLA (9th ed.) Citation

Arup, Ulf. "The Caloplaca Holocarpa Group in the Nordic Countries, Except Iceland." The Lichenologist, vol. 41, no. 2, 2009, p. 111.