APA (7th ed.) Citation

Norušis, M. J. (1990). SPSS/PC+ 4.0 Base Manual: For the IBM PC/XT/AT and PS/2. SPSS Inc.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Norušis, Marija J. SPSS/PC+ 4.0 Base Manual: For the IBM PC/XT/AT and PS/2. SPSS Inc, 1990.