APA (7th ed.) Citation

Lofton, R. E. (1923). Measure of color characteristics of white papers. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Lofton, R. E. Measure of Color Characteristics of White Papers. [Washington?]: U.S. Government Printing Office, 1923.

MLA (9th ed.) Citation

Lofton, R. E. Measure of Color Characteristics of White Papers. U.S. Government Printing Office, 1923.