APA (7th ed.) Citation

Keil, A., & McKenna, C. (2013). Pedestrian bridges: Ramps, walkways, structures. Edition Detail.

Chicago Style (17th ed.) Citation

Keil, Andreas, and Christina McKenna. Pedestrian Bridges: Ramps, Walkways, Structures. Munich: Edition Detail, 2013.

MLA (8th ed.) Citation

Keil, Andreas, and Christina McKenna. Pedestrian Bridges: Ramps, Walkways, Structures. Edition Detail, 2013.

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