APA (7th ed.) Citation

Greuter, W., & Zimmer, B. (1996). Valerianella orientalis (Valerianaceae) in Griechenland ([Sonderdr.].). Naturhistorisches Museum.

Chicago Style (17th ed.) Citation

Greuter, Werner, and Brigitte Zimmer. Valerianella Orientalis (Valerianaceae) in Griechenland. [Sonderdr.]. Wien: Naturhistorisches Museum, 1996.

MLA (9th ed.) Citation

Greuter, Werner, and Brigitte Zimmer. Valerianella Orientalis (Valerianaceae) in Griechenland. [Sonderdr.]. Naturhistorisches Museum, 1996.

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