APA način citiranja

Keen, L., & Lakic, N. (2007). Hyperbolic geometry from a local viewpoint. Cambridge University.

Čikaški stil citiranja

Keen, Linda, i Nikola Lakic. Hyperbolic Geometry from a Local Viewpoint. Cambridge: Cambridge University, 2007.

MLA način citiranja

Keen, Linda, i Nikola Lakic. Hyperbolic Geometry from a Local Viewpoint. Cambridge University, 2007.