APA (7th ed.) Citation

Lofton, R. E. (1927). Study of windows of window envelopes for purpose of developing standard specifications. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Lofton, R. E. Study of Windows of Window Envelopes for Purpose of Developing Standard Specifications. [Washington?]: U.S. Government Printing Office, 1927.

MLA (9th ed.) Citation

Lofton, R. E. Study of Windows of Window Envelopes for Purpose of Developing Standard Specifications. U.S. Government Printing Office, 1927.