APA (7th ed.) Citation

Gill, P. E., Murray, W., & Picken, S. M. (1972). The implementation of two modified Newton algorithms for unconstrained optimization.

Chicago Style (17th ed.) Citation

Gill, Philip E., Walter Murray, and Susan M. Picken. The Implementation of Two Modified Newton Algorithms for Unconstrained Optimization. Teddington, 1972.

MLA (9th ed.) Citation

Gill, Philip E., et al. The Implementation of Two Modified Newton Algorithms for Unconstrained Optimization. 1972.