Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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