APA (7th ed.) Citation

Lawden, D. F. (1954). Mathematics of engineering system (linear and non-linear). Methuen.

Chicago Style (17th ed.) Citation

Lawden, Derek F. Mathematics of Engineering System (linear and Non-linear). London: Methuen, 1954.

MLA (9th ed.) Citation

Lawden, Derek F. Mathematics of Engineering System (linear and Non-linear). Methuen, 1954.