APA (7th ed.) Citation

Zahn, K. H. (1914). Hieracien. s. n.

Chicago Style (17th ed.) Citation

Zahn, Karl Hermann. Hieracien. s. l: s. n, 1914.

MLA (9th ed.) Citation

Zahn, Karl Hermann. Hieracien. s. n, 1914.

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