APA (7th ed.) Citation

Seligman, E. (1963). Encyclopaedia of the social sciences-Mor-Pun Vol. XI & XII. The Macmillan Co.

Chicago Style (17th ed.) Citation

Seligman, E. Encyclopaedia of the Social Sciences-Mor-Pun Vol. XI & XII. New York: The Macmillan Co, 1963.

MLA (9th ed.) Citation

Seligman, E. Encyclopaedia of the Social Sciences-Mor-Pun Vol. XI & XII. The Macmillan Co, 1963.