APA (7th ed.) Citation

Eastham, M. S. P., Fulton, C. T., & Pruess, S. Using the SLEDGE package on Sturm-Liouville problems having nonempty essential spectra. ACM transactions on mathematical software..

Chicago Style (17th ed.) Citation

Eastham, Michael S. P., Charles T. Fulton, and Steven Pruess. "Using the SLEDGE Package on Sturm-Liouville Problems Having Nonempty Essential Spectra." ACM Transactions on Mathematical Software. .

MLA (9th ed.) Citation

Eastham, Michael S. P., et al. "Using the SLEDGE Package on Sturm-Liouville Problems Having Nonempty Essential Spectra." ACM Transactions on Mathematical Software., .