APA (7th ed.) Citation

Ahuja, T., & Birdi, G. (2012). Roads, railways, bridges and tunnels engineering (16th edition.). Standard Book House.

Chicago Style (17th ed.) Citation

Ahuja, T.D, and G.S Birdi. Roads, Railways, Bridges and Tunnels Engineering. 16th edition. New Delhi, India: Standard Book House, 2012.

MLA (9th ed.) Citation

Ahuja, T.D, and G.S Birdi. Roads, Railways, Bridges and Tunnels Engineering. 16th edition. Standard Book House, 2012.

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