Johmann, C. A., Rieth, E. J., & Kline, M. P. (1999). Bridges!: Amazing structures to design, build & test. Williamson.
Cita Chicago Style (17a ed.)Johmann, Carol A., Elizabeth J. Rieth, y Michael P. Kline. Bridges!: Amazing Structures to Design, Build & Test. Charlotte, VT: Williamson, 1999.
Cita MLA (8a ed.)Johmann, Carol A., et al. Bridges!: Amazing Structures to Design, Build & Test. Williamson, 1999.
Precaución: Estas citas no son 100% exactas.