APA (7th ed.) Citation

Hitchcock, E. A., & Weed, M. (1939). My 50 years in engineering: The autobiography of a human engineer. The Caxton printers, ltd..

Chicago Style (17th ed.) Citation

Hitchcock, Embury Asbury, and Merrill Weed. My 50 Years in Engineering: The Autobiography of a Human Engineer. Caldwell, Id: The Caxton printers, ltd., 1939.

MLA (9th ed.) Citation

Hitchcock, Embury Asbury, and Merrill Weed. My 50 Years in Engineering: The Autobiography of a Human Engineer. The Caxton printers, ltd., 1939.