APA (7th ed.) Citation

Haupt, H. (1902). Zur Secretionsmechanik der extrafloralen Nektarien.

Chicago Style (17th ed.) Citation

Haupt, Hugo. Zur Secretionsmechanik Der Extrafloralen Nektarien. 1902.

MLA (9th ed.) Citation

Haupt, Hugo. Zur Secretionsmechanik Der Extrafloralen Nektarien. 1902.

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