APA (7th ed.) Citation

Pratt, J. T., Amulree, W. W. M. B., Parrish, H., & DeMauley, G. J. P. B. (1967). Pratt and Mackenzie's Law of highways (21st ed.). Butterworth; Shaw & Sons.

Chicago Style (17th ed.) Citation

Pratt, John Tidd, William W. Mackenzie Baron Amulree, Harold Parrish, and Gerald John Ponsonby Baron DeMauley. Pratt and Mackenzie's Law of Highways. 21st ed. London: Butterworth; Shaw & Sons, 1967.

MLA (9th ed.) Citation

Pratt, John Tidd, et al. Pratt and Mackenzie's Law of Highways. 21st ed. Butterworth; Shaw & Sons, 1967.