APA (7th ed.) Citation

(1977). Arch bridges / by Douglas A. Nettleton ; assisted by John S. Torkelson.

Chicago Style (17th ed.) Citation

Arch Bridges / by Douglas A. Nettleton ; Assisted by John S. Torkelson. 1977.

MLA (9th ed.) Citation

Arch Bridges / by Douglas A. Nettleton ; Assisted by John S. Torkelson. 1977.

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