APA (7th ed.) Citation

Bornmüller, J. F. N. (1921). Zur Gattung Centaurea (Sonderabdr.). Heinrich.

Chicago Style (17th ed.) Citation

Bornmüller, Joseph Friedrich Nikolaus. Zur Gattung Centaurea. Sonderabdr. Dresden: Heinrich, 1921.

MLA (9th ed.) Citation

Bornmüller, Joseph Friedrich Nikolaus. Zur Gattung Centaurea. Sonderabdr. Heinrich, 1921.

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