APA (7th ed.) Citation

Dalen, D. v. (1963). Extension problems in intuitionistic plane projective geometry. Drukkerij Holland.

Chicago Style (17th ed.) Citation

Dalen, D. van. Extension Problems in Intuitionistic Plane Projective Geometry. Amsterdam: Drukkerij Holland, 1963.

MLA (8th ed.) Citation

Dalen, D. van. Extension Problems in Intuitionistic Plane Projective Geometry. Drukkerij Holland, 1963.