APA (7th ed.) Citation

Obermayer, W., & Hafellner, J. (2007). Lichenotheca Graecensis. Inst. für Botanik.

Chicago Style (17th ed.) Citation

Obermayer, Walter, and Josef Hafellner. Lichenotheca Graecensis. Graz: Inst. für Botanik, 2007.

MLA (9th ed.) Citation

Obermayer, Walter, and Josef Hafellner. Lichenotheca Graecensis. Inst. für Botanik, 2007.

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