Cramér, Harald. "Table 4. The t-Distribution". Mathematical Methods of Statistics (PMS-9), Volume 9, Princeton: Princeton University Press, 1946, pp. 560-560. https://doi.org/10.1515/9781400883868-015
Cramér, H. (1946). Table 4. The t-Distribution. In Mathematical Methods of Statistics (PMS-9), Volume 9 (pp. 560-560). Princeton: Princeton University Press. https://doi.org/10.1515/9781400883868-015
Cramér, H. 1946. Table 4. The t-Distribution. Mathematical Methods of Statistics (PMS-9), Volume 9. Princeton: Princeton University Press, pp. 560-560. https://doi.org/10.1515/9781400883868-015
Cramér, Harald. "Table 4. The t-Distribution" In Mathematical Methods of Statistics (PMS-9), Volume 9, 560-560. Princeton: Princeton University Press, 1946. https://doi.org/10.1515/9781400883868-015
Cramér H. Table 4. The t-Distribution. In: Mathematical Methods of Statistics (PMS-9), Volume 9. Princeton: Princeton University Press; 1946. p.560-560. https://doi.org/10.1515/9781400883868-015