APA (7th ed.) Citation

Zahn, K. H. (1911). Hieracia florae mosquensis.

Chicago Style (17th ed.) Citation

Zahn, Karl H. Hieracia Florae Mosquensis. Petersburg, 1911.

MLA (9th ed.) Citation

Zahn, Karl H. Hieracia Florae Mosquensis. 1911.

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