APA (7th ed.) Citation

Bakker, D., & Haspelmath, M. (2013). Languages Across boundaries: Studies in memory of Anna Siewierska. De Gruyter. https://doi.org/10.1515/9783110331127

Chicago Style (17th ed.) Citation

Bakker, Dik, and Martin Haspelmath. Languages Across Boundaries: Studies in Memory of Anna Siewierska. Berlin: De Gruyter, 2013. https://doi.org/10.1515/9783110331127.

MLA (9th ed.) Citation

Bakker, Dik, and Martin Haspelmath. Languages Across Boundaries: Studies in Memory of Anna Siewierska. De Gruyter, 2013. https://doi.org/10.1515/9783110331127.