Cita APA (7a ed.)

Sommerville, I. (1986). Software engineering environments. P. Peregrinus, on behalf of the Institution of Electrical Engineers.

Cita Chicago Style (17a ed.)

Sommerville, Ian. Software Engineering Environments. London: P. Peregrinus, on behalf of the Institution of Electrical Engineers, 1986.

Cita MLA (9a ed.)

Sommerville, Ian. Software Engineering Environments. P. Peregrinus, on behalf of the Institution of Electrical Engineers, 1986.