APA (7th ed.) Citation

United States. Federal Board for Vocational Education. (1919). Unit course: Printing 2, printing, spelling and punctuation for printers, trial edition. American Red Cross.

Chicago Style (17th ed.) Citation

United States. Federal Board for Vocational Education. Unit Course: Printing 2, Printing, Spelling and Punctuation for Printers, Trial Edition. [Washington]: American Red Cross, 1919.

MLA (9th ed.) Citation

United States. Federal Board for Vocational Education. Unit Course: Printing 2, Printing, Spelling and Punctuation for Printers, Trial Edition. American Red Cross, 1919.