APA (7th ed.) Citation

Spencer, H. C., & Grant, H. E. (1947). The blueprint language of the machine industries. The Macmillan company.

Chicago Style (17th ed.) Citation

Spencer, Henry Cecil, and Hiram E. Grant. The Blueprint Language of the Machine Industries. New York: The Macmillan company, 1947.

MLA (9th ed.) Citation

Spencer, Henry Cecil, and Hiram E. Grant. The Blueprint Language of the Machine Industries. The Macmillan company, 1947.