Gaya APA

Welch, R., Lamphier, P, A. (2019). Technical innovation in American History: An Encyclopedia of Science and Technology Volume 1 . California: ABC-CLIO, LLC.

Gaya MLA

Welch, Rosanne., Lamphier, Peg, A.. "Technical innovation in American History: An Encyclopedia of Science and Technology Volume 1". California: ABC-CLIO, LLC, 2019. Text.