Cita APA (7th ed.)

Wellstead, P. E. (1979). Introduction to physical system modelling. Academic Press.

Cita Chicago (17th ed.)

Wellstead, P. E. Introduction to Physical System Modelling. London: Academic Press, 1979.

Cita MLA (9th ed.)

Wellstead, P. E. Introduction to Physical System Modelling. Academic Press, 1979.