APA (7th ed.) Citation

National Council for the Social Studies. (1954). Skill in social studies. [s.n.].

Chicago Style (17th ed.) Citation

National Council for the Social Studies. Skill in Social Studies. Washington, D.C: [s.n.], 1954.

MLA (9th ed.) Citation

National Council for the Social Studies. Skill in Social Studies. [s.n.], 1954.