Edison, T. A., & Dergen, W. (1930). [Edison speaks to the forty finalists in a scholarship competition for young scientists, followed by a German translation of the same speech by Professor Wilhelm Dergen].
Chicago Style (17th ed.) CitationEdison, Thomas A., and Wilhelm Dergen. [Edison Speaks to the Forty Finalists in a Scholarship Competition for Young Scientists, Followed by a German Translation of the Same Speech by Professor Wilhelm Dergen]. 1930.
MLA (9th ed.) CitationEdison, Thomas A., and Wilhelm Dergen. [Edison Speaks to the Forty Finalists in a Scholarship Competition for Young Scientists, Followed by a German Translation of the Same Speech by Professor Wilhelm Dergen]. 1930.
Warning: These citations may not always be 100% accurate.