APA (7th ed.) Citation

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

MLA (9th ed.) Citation

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