APA (7th ed.) Citation

(2003). IRT from SSI: BILOG-MG, MULTILOG, PARSCALE, TESTFACT. Scientific Software International.

Chicago Style (17th ed.) Citation

IRT from SSI: BILOG-MG, MULTILOG, PARSCALE, TESTFACT. Lincolnwood, Ill.: Scientific Software International, 2003.

MLA (9th ed.) Citation

IRT from SSI: BILOG-MG, MULTILOG, PARSCALE, TESTFACT. Scientific Software International, 2003.

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