APA Edition Citation

Schreier Otto & Sperner, E. (1961). Projective geometry of n dimensions.

Chicago Edition Citation

Schreier Otto and Emanuel Sperner. Projective Geometry of N Dimensions. 1961.

MLA Edition Citation

Schreier Otto and Emanuel Sperner. Projective Geometry of N Dimensions. 1961.

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