APA (7th ed.) Citation

United States. Federal Board for Vocational Education. (1920). Vocational summary, Vol. III, Nos. 1-12. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Federal Board for Vocational Education. Vocational Summary, Vol. III, Nos. 1-12. [Washington]: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. Federal Board for Vocational Education. Vocational Summary, Vol. III, Nos. 1-12. [publisher not identified], 1920.