Citazione Stile APA (7a Edizione)

Butler, R., & Kerr, E. (1962). An introduction to numerical methods. Pitman Publishing.

Citazione stile Chigago Style (17a edizione)

Butler, R., e E. Kerr. An Introduction to Numerical Methods. London: Pitman Publishing, 1962.

Citatione MLA (8a ed.)

Butler, R., e E. Kerr. An Introduction to Numerical Methods. Pitman Publishing, 1962.