APA (7th ed.) Citation

Poelt, J. (1957). Mitteleuropäische Flechten ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Poelt, Josef. Mitteleuropäische Flechten. [Sonderdr.]. 1957.

MLA (9th ed.) Citation

Poelt, Josef. Mitteleuropäische Flechten. [Sonderdr.]. 1957.

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