APA (7th ed.) Citation

Plet, P. U. (2016). Jan Earnest Matzeliger: A lasting invention. [publisher not identified].

Chicago Style (17th ed.) Citation

Plet, Peggy U. Jan Earnest Matzeliger: A Lasting Invention. [Canada]: [publisher not identified], 2016.

MLA (9th ed.) Citation

Plet, Peggy U. Jan Earnest Matzeliger: A Lasting Invention. [publisher not identified], 2016.