APA (7th ed.) Citation

Arup, U. (1995). Littoral species of the lichen genus Caloplaca in North America.

Chicago Style (17th ed.) Citation

Arup, Ulf. Littoral Species of the Lichen Genus Caloplaca in North America. Lund, 1995.

MLA (9th ed.) Citation

Arup, Ulf. Littoral Species of the Lichen Genus Caloplaca in North America. 1995.

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