Eckhoff, A. (2018). Creative investigations in early engineering and technology. Gryphon House Inc..
Chicago Style (17th ed.) CitationEckhoff, Angela. Creative Investigations in Early Engineering and Technology. Newburyport: Gryphon House Inc., 2018.
MLA (8th ed.) CitationEckhoff, Angela. Creative Investigations in Early Engineering and Technology. Gryphon House Inc., 2018.
Warning: These citations may not always be 100% accurate.