APA (7th ed.) Citation

Boyd, J. E. (1920). Investigation of compressive strength of spruce struts of rectangular cross section and derivation of formulas suitable for use in airplane design. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Boyd, James E. Investigation of Compressive Strength of Spruce Struts of Rectangular Cross Section and Derivation of Formulas Suitable for Use in Airplane Design. [Washington?]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

Boyd, James E. Investigation of Compressive Strength of Spruce Struts of Rectangular Cross Section and Derivation of Formulas Suitable for Use in Airplane Design. U.S. Government Printing Office, 1920.