APA (7th ed.) Citation

United States. Federal Board for Vocational Education. (1919). Unit course: Sheet metal work 2, sheet metal work, essentials of sheet metal work, trial edition. American Red Cross.

Chicago Style (17th ed.) Citation

United States. Federal Board for Vocational Education. Unit Course: Sheet Metal Work 2, Sheet Metal Work, Essentials of Sheet Metal Work, Trial Edition. [Washington]: American Red Cross, 1919.

MLA (9th ed.) Citation

United States. Federal Board for Vocational Education. Unit Course: Sheet Metal Work 2, Sheet Metal Work, Essentials of Sheet Metal Work, Trial Edition. American Red Cross, 1919.