APA (7th ed.) Citation

Behr, O. (1957). Die Flechten des Spessarts. Naturwiss. Museum.

Chicago Style (17th ed.) Citation

Behr, Otto. Die Flechten Des Spessarts. Aschaffenburg: Naturwiss. Museum, 1957.

MLA (9th ed.) Citation

Behr, Otto. Die Flechten Des Spessarts. Naturwiss. Museum, 1957.

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