APA (7th ed.) Citation

Porter, B., & Crossley, R. (1972). Modal control : theory and applications / Brian Porter and Roger Crossley: Theory and applications. Taylor and Francis.

Chicago Style (17th ed.) Citation

Porter, Brian, and Roger Crossley. Modal Control : Theory and Applications / Brian Porter and Roger Crossley: Theory and Applications. London: Taylor and Francis, 1972.

MLA (9th ed.) Citation

Porter, Brian, and Roger Crossley. Modal Control : Theory and Applications / Brian Porter and Roger Crossley: Theory and Applications. Taylor and Francis, 1972.

Warning: These citations may not always be 100% accurate.