APA (7th ed.) Citation

Hemker, P. W., Maarel, H. T. v. d., & Everaars, C. T. (1990). BASIS, a data structure for adaptive multigrid computations.

Chicago Style (17th ed.) Citation

Hemker, Pieter W., H. T. van der Maarel, and C. T. Everaars. BASIS, a Data Structure for Adaptive Multigrid Computations. Amsterdam, 1990.

MLA (9th ed.) Citation

Hemker, Pieter W., et al. BASIS, a Data Structure for Adaptive Multigrid Computations. 1990.

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