APA (7th ed.) Citation

Perrigo, C. O. E. (1906). Modern machine shop construction, equipment and management. The N.W. Henley publishing company.

Chicago Style (17th ed.) Citation

Perrigo, Charles Oscar Eugene. Modern Machine Shop Construction, Equipment and Management. New York: The N.W. Henley publishing company, 1906.

MLA (9th ed.) Citation

Perrigo, Charles Oscar Eugene. Modern Machine Shop Construction, Equipment and Management. The N.W. Henley publishing company, 1906.