APA (7th ed.) Citation

Preston, T. R., & Stewart, D. A. (1969). Civil aviation. Methuen Educational.

Chicago Style (17th ed.) Citation

Preston, T. R., and D. A. Stewart. Civil Aviation. London: Methuen Educational, 1969.

MLA (8th ed.) Citation

Preston, T. R., and D. A. Stewart. Civil Aviation. Methuen Educational, 1969.