APA (7th ed.) Citation

Zahlbruckner, A. (1922). Catalogus lichenum universalis.

Chicago Style (17th ed.) Citation

Zahlbruckner, Alexander. Catalogus Lichenum Universalis. Dehra Dun: Bishen Singh Mehendra Pal Singh, 1922.

MLA (9th ed.) Citation

Zahlbruckner, Alexander. Catalogus Lichenum Universalis. 1922.

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