APA (7th ed.) Citation

Whittaker, S. E., & Robinson, G. (1944). The calculus of observations : a treatise on numerical mathematics / by Sir E. Whittaker and G. Robinson: A treatise on numerical mathematics (4th ed.). Blackie.

Chicago Style (17th ed.) Citation

Whittaker, Sir E., and G. Robinson. The Calculus of Observations : A Treatise on Numerical Mathematics / by Sir E. Whittaker and G. Robinson: A Treatise on Numerical Mathematics. 4th ed. Blackie, 1944.

MLA (9th ed.) Citation

Whittaker, Sir E., and G. Robinson. The Calculus of Observations : A Treatise on Numerical Mathematics / by Sir E. Whittaker and G. Robinson: A Treatise on Numerical Mathematics. 4th ed. Blackie, 1944.

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