Whittaker, E. T. S. 1., & Robinson, G. (1944). The calculus of observations: A treatise on numerical mathematics (4. edition.). London: Blackie & Son Limited.
Chicago Style CitationWhittaker, Edmund Taylor Sir 1873-1956, and George Robinson. The Calculus of Observations: A Treatise On Numerical Mathematics. 4. edition. London: Blackie & Son Limited, 1944.
MLA CitationWhittaker, Edmund Taylor Sir 1873-1956, and George Robinson. The Calculus of Observations: A Treatise On Numerical Mathematics. 4. edition. London: Blackie & Son Limited, 1944.
Warning: These citations may not always be 100% accurate.