APA (7th ed.) Citation

United States. Office of Education. (1934). Guidance leaflets: Mechanical engineering. [s.n.].

Chicago Style (17th ed.) Citation

United States. Office of Education. Guidance Leaflets: Mechanical Engineering. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Office of Education. Guidance Leaflets: Mechanical Engineering. [s.n.], 1934.

Warning: These citations may not always be 100% accurate.