Cita APA (7a ed.)

Hull, C. H., & Nie, N. H. (1981). SPSS pocket guide: Release 9. McGraw-Hill.

Cita Chicago Style (17a ed.)

Hull, C. Hadlai, y Norman H. Nie. SPSS Pocket Guide: Release 9. New York: McGraw-Hill, 1981.

Cita MLA (9a ed.)

Hull, C. Hadlai, y Norman H. Nie. SPSS Pocket Guide: Release 9. McGraw-Hill, 1981.