SpringerLink (Online service), Prékopa, A., & Molnár, E. (2006). Non-Euclidean Geometries: János Bolyai Memorial Volume. Springer US.
Chicago Style (17th ed.) CitationSpringerLink (Online service), András Prékopa, and Emil Molnár. Non-Euclidean Geometries: János Bolyai Memorial Volume. Boston, MA: Springer US, 2006.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Non-Euclidean Geometries: János Bolyai Memorial Volume. Springer US, 2006.
Warning: These citations may not always be 100% accurate.