Cita APA (7th ed.)

Ramsoy, O. 1. (1963). Social groups as system and subsystem ([1st American ed.].). Free Press of Glencoe.

Cita Chicago (17th ed.)

Ramsoy, Odd 1924. Social Groups as System and Subsystem. [1st American ed.]. New York: Free Press of Glencoe, 1963.

Cita MLA (9th ed.)

Ramsoy, Odd 1924. Social Groups as System and Subsystem. [1st American ed.]. Free Press of Glencoe, 1963.