APA

Ausubel J. H., Langford H. D. & National Academi of Engineering (Washington D. C.). (1997). Tenchological trajectories and the human environment. Washington, D. C: National Academy of Engineering.

Chicago

Ausubel Jesse H, Langford H Dale and National Academi of Engineering (Washington D. C.). 1997. Tenchological trajectories and the human environment. Washington, D. C: National Academy of Engineering.

Harvard

Ausubel J. H., Langford H. D. and National Academi of Engineering (Washington D. C.). (1997). Tenchological trajectories and the human environment. Washington, D. C: National Academy of Engineering.

MLA

Ausubel Jesse H, Langford H Dale and National Academi of Engineering (Washington D. C.). Tenchological trajectories and the human environment. Washington, D. C: National Academy of Engineering. 1997.