APA (7th ed.) Citation

Shawcross, C. N., Beaumont, K. M., & Martin, P. (1977). Air law (4th ed.). Butterworths.

Chicago Style (17th ed.) Citation

Shawcross, Christopher N., K. M. Beaumont, and Peter Martin. Air Law. 4th ed. London: Butterworths, 1977.

MLA (8th ed.) Citation

Shawcross, Christopher N., et al. Air Law. 4th ed. Butterworths, 1977.