APA (7th ed.) Citation

Hartree, D. R. (1958). Numerical analysis (2nd.). Oxford University press.

Chicago Style (17th ed.) Citation

Hartree, Douglas R. Numerical Analysis. 2nd. Great Britain: Oxford University press, 1958.

MLA (9th ed.) Citation

Hartree, Douglas R. Numerical Analysis. 2nd. Oxford University press, 1958.