APA (7th ed.) Citation

Lindgren, P. (2011). Hyperbolinen geometria.

Chicago Style (17th ed.) Citation

Lindgren, Pekka. Hyperbolinen Geometria. Jyväskylä, 2011.

MLA (9th ed.) Citation

Lindgren, Pekka. Hyperbolinen Geometria. 2011.

Warning: These citations may not always be 100% accurate.