Cita APA (7th ed.)

Seligman, E. (1963). Encyclopaedia of the social sciences-Pur-TRa Vol. XIII & XIV. Ther Macmillan Co.

Cita Chicago (17th ed.)

Seligman, E. Encyclopaedia of the Social Sciences-Pur-TRa Vol. XIII & XIV. New York: Ther Macmillan Co, 1963.

Cita MLA (9th ed.)

Seligman, E. Encyclopaedia of the Social Sciences-Pur-TRa Vol. XIII & XIV. Ther Macmillan Co, 1963.