Cita APA (7th ed.)

Cummings, H. (1949). Improving human relations through classroom, school, and community activities. National Council for the Social studies.

Cita Chicago (17th ed.)

Cummings, Howard. Improving Human Relations Through Classroom, School, and Community Activities. Washington: National Council for the Social studies, 1949.

Cita MLA (9th ed.)

Cummings, Howard. Improving Human Relations Through Classroom, School, and Community Activities. National Council for the Social studies, 1949.