Cita APA (7th ed.)

Bakker, D., & Haspelmath, M. (2013). Languages across boundaries: Studies in memory of Anna Siewierska. De Gruyter Mouton.

Cita Chicago (17th ed.)

Bakker, Dik, i Martin Haspelmath. Languages Across Boundaries: Studies in Memory of Anna Siewierska. [Germany]: De Gruyter Mouton, 2013.

Cita MLA (9th ed.)

Bakker, Dik, i Martin Haspelmath. Languages Across Boundaries: Studies in Memory of Anna Siewierska. De Gruyter Mouton, 2013.