APA (7th ed.) Citation

Gellert, W., Küstner, H., Hellwich, M., Kästner, H., Hirsch, K. A., & Reichardt, H. (1977). The VNR Concise Encyclopedia of Mathematics. Springer US.

Chicago Style (17th ed.) Citation

Gellert, W., H. Küstner, M. Hellwich, H. Kästner, K. A. Hirsch, and H. Reichardt. The VNR Concise Encyclopedia of Mathematics. Boston, MA: Springer US, 1977.

MLA (9th ed.) Citation

Gellert, W., et al. The VNR Concise Encyclopedia of Mathematics. Springer US, 1977.