Παραπομπή σε μορφή APA (7η εκδ.)

Weerawarana, S., Houstis, E. N., Rice, J. R., Joshi, A., & Houstis, C. E. PYTHIA: A knowledge-based system to select scientific algorithms. ACM transactions on mathematical software..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Weerawarana, Sanjiva, Elias N. Houstis, John R. Rice, Anupam Joshi, και Catherine E. Houstis. "PYTHIA: A Knowledge-based System to Select Scientific Algorithms." ACM Transactions on Mathematical Software. .

Παραπομπή σε μορφή MLA (9th εκδ.)

Weerawarana, Sanjiva, et al. "PYTHIA: A Knowledge-based System to Select Scientific Algorithms." ACM Transactions on Mathematical Software., .