APA (7th ed.) Citation

Duysen, F., & Egglhuber, E. (2020). Unkräuter (Reprint 2019.). De Gruyter. https://doi.org/10.1515/9783111413204

Chicago Style (17th ed.) Citation

Duysen, Franz, and Eduard Egglhuber. Unkräuter. Reprint 2019. Berlin ; Boston: De Gruyter, 2020. https://doi.org/10.1515/9783111413204.

MLA (9th ed.) Citation

Duysen, Franz, and Eduard Egglhuber. Unkräuter. Reprint 2019. De Gruyter, 2020. https://doi.org/10.1515/9783111413204.