United States. Federal Board for Vocational Education. (1919). Unit course: Auto mechanics 4, auto mechanics, engine repairing, section 2, trial edition. American Red Cross.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. Unit Course: Auto Mechanics 4, Auto Mechanics, Engine Repairing, Section 2, Trial Edition. [Washington]: American Red Cross, 1919.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. Unit Course: Auto Mechanics 4, Auto Mechanics, Engine Repairing, Section 2, Trial Edition. American Red Cross, 1919.
Warning: These citations may not always be 100% accurate.