APA (7th ed.) Citation

Colloquium on Algebraic and Topological Foundations of Geometry Utrecht, International Mathematical Union (Founded 1950), & Freudenthal, H. (1962). Algebraical and topological foundations of geometry: Proceedings. Pergamon.

Chicago Style (17th ed.) Citation

Colloquium on Algebraic and Topological Foundations of Geometry Utrecht, International Mathematical Union (Founded 1950), and Hans Freudenthal. Algebraical and Topological Foundations of Geometry: Proceedings. New York: Pergamon, 1962.

MLA (8th ed.) Citation

Colloquium on Algebraic and Topological Foundations of Geometry Utrecht, et al. Algebraical and Topological Foundations of Geometry: Proceedings. Pergamon, 1962.

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