APA (7th ed.) Citation

Lafrenz, C., & Wiechmann, J. (2019). Hafen Hamburg (Reprint 2019.). De Gruyter. https://doi.org/10.1515/9783111532691

Chicago Style (17th ed.) Citation

Lafrenz, Claus, and Jürgen Wiechmann. Hafen Hamburg. Reprint 2019. Berlin ; Boston: De Gruyter, 2019. https://doi.org/10.1515/9783111532691.

MLA (9th ed.) Citation

Lafrenz, Claus, and Jürgen Wiechmann. Hafen Hamburg. Reprint 2019. De Gruyter, 2019. https://doi.org/10.1515/9783111532691.