MLA

Loftsson, Hrafn, et al. Advances In Natural Language Processing. Springer Berlin Heidelberg, 2010.

APA

Loftsson, H., Helgadóttir, S., Kanade, T., & Rögnvaldsson, E. (2010). Advances in Natural Language Processing. Springer Berlin Heidelberg.

Chicago

Loftsson, Hrafn, Sigrún Helgadóttir, Takeo Kanade, and Eiríkur Rögnvaldsson. Advances In Natural Language Processing. : Springer Berlin Heidelberg, 2010.