Cite

Leonard, Norman Alva, "Centrifugal Governors" 17pp

MLA

School, Yale University. Sheffield Scientific. Leonard, Norman Alva, "Centrifugal Governors" 17pp. 1908. https://collections.library.yale.edu/catalog/10012422.

APA, 6th edition

School, Y. U. S. S. (1908). Leonard, Norman Alva, "Centrifugal Governors" 17pp. https://collections.library.yale.edu/catalog/10012422.