APA (7th ed.) Citation

(1987). SPSS Data Entry II for the IBM PC/XT/AT. SPSS.

Chicago Style (17th ed.) Citation

SPSS Data Entry II for the IBM PC/XT/AT. Chicago: SPSS, 1987.

MLA (8th ed.) Citation

SPSS Data Entry II for the IBM PC/XT/AT. SPSS, 1987.

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