Cramér, Harald. "Table 3. The χ2 -Distribution". Mathematical Methods of Statistics (PMS-9), Volume 9, Princeton: Princeton University Press, 1946, pp. 559-559. https://doi.org/10.1515/9781400883868-014
Cramér, H. (1946). Table 3. The χ2 -Distribution. In Mathematical Methods of Statistics (PMS-9), Volume 9 (pp. 559-559). Princeton: Princeton University Press. https://doi.org/10.1515/9781400883868-014
Cramér, H. 1946. Table 3. The χ2 -Distribution. Mathematical Methods of Statistics (PMS-9), Volume 9. Princeton: Princeton University Press, pp. 559-559. https://doi.org/10.1515/9781400883868-014
Cramér, Harald. "Table 3. The χ2 -Distribution" In Mathematical Methods of Statistics (PMS-9), Volume 9, 559-559. Princeton: Princeton University Press, 1946. https://doi.org/10.1515/9781400883868-014
Cramér H. Table 3. The χ2 -Distribution. In: Mathematical Methods of Statistics (PMS-9), Volume 9. Princeton: Princeton University Press; 1946. p.559-559. https://doi.org/10.1515/9781400883868-014