Cita APA (7th ed.)

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..

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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