APA (7th ed.) Citation

Ludwig, W. (1991). Zu Orobanche elatior Sutton in der Rhön.

Chicago Style (17th ed.) Citation

Ludwig, Wolfgang. Zu Orobanche Elatior Sutton in Der Rhön. 1991.

MLA (9th ed.) Citation

Ludwig, Wolfgang. Zu Orobanche Elatior Sutton in Der Rhön. 1991.

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