APA (7th ed.) Citation

Boulnois, H. P. (1919). Modern roads. E. Arnold.

Chicago Style (17th ed.) Citation

Boulnois, Henry Percy. Modern Roads. London: E. Arnold, 1919.

MLA (9th ed.) Citation

Boulnois, Henry Percy. Modern Roads. E. Arnold, 1919.

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