APA (7th ed.) Citation

Sauer, R. (1937). Projektive Liniengeometrie. de Gruyter.

Chicago Style (17th ed.) Citation

Sauer, Robert. Projektive Liniengeometrie. Berlin [u.a.]: de Gruyter, 1937.

MLA (9th ed.) Citation

Sauer, Robert. Projektive Liniengeometrie. de Gruyter, 1937.

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