APA (7th ed.) Citation

Nabonnand, P. (2014). Poincaré's "vierte Geometrie".

Chicago Style (17th ed.) Citation

Nabonnand, Philippe. Poincaré's "Vierte Geometrie". 2014.

MLA (9th ed.) Citation

Nabonnand, Philippe. Poincaré's "Vierte Geometrie". 2014.

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