Cita APA (7a ed.)

Southwell, R. V., Moullin, E. B., Pye, D. R., & Southwell, R. V. (1940). Relaxation methods in engineering science: A treatise on approximate computation. At The Clarendon Press.

Cita Chicago Style (17a ed.)

Southwell, R. V., E. B. Moullin, D. R. Pye, y R. V. Southwell. Relaxation Methods in Engineering Science: A Treatise on Approximate Computation. Oxford: At The Clarendon Press, 1940.

Cita MLA (8a ed.)

Southwell, R. V., et al. Relaxation Methods in Engineering Science: A Treatise on Approximate Computation. At The Clarendon Press, 1940.