APA (7th ed.) Citation

Norušis, M. J. (1990). SPSS/PC+ statistics 4.0 for the IBM PC/XT/AT and PS/2. SPSS.

Chicago Style (17th ed.) Citation

Norušis, Marija J. SPSS/PC+ Statistics 4.0 for the IBM PC/XT/AT and PS/2. Chicago, Ill. [u.a.]: SPSS, 1990.

MLA (8th ed.) Citation

Norušis, Marija J. SPSS/PC+ Statistics 4.0 for the IBM PC/XT/AT and PS/2. SPSS, 1990.