APA (7th ed.) Citation

Scriba, C. J., & Ellis, M. E. (1968). The concept of number: A chapter in the history of mathematics, with application of interest to teachers. Bibliogr. Inst.

Chicago Style (17th ed.) Citation

Scriba, Christoph J., and M. E. Ellis. The Concept of Number: A Chapter in the History of Mathematics, with Application of Interest to Teachers. Mannheim: Bibliogr. Inst, 1968.

MLA (9th ed.) Citation

Scriba, Christoph J., and M. E. Ellis. The Concept of Number: A Chapter in the History of Mathematics, with Application of Interest to Teachers. Bibliogr. Inst, 1968.

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