APA (7th ed.) Citation

Seligman, E. R., & Johnson, A. (1963). Encyclopaedia of the Social Sciences. The Macmillan Company.

Chicago Style (17th ed.) Citation

Seligman, Edwin R.A, and Alvin Johnson. Encyclopaedia of the Social Sciences. New York: The Macmillan Company, 1963.

MLA (9th ed.) Citation

Seligman, Edwin R.A, and Alvin Johnson. Encyclopaedia of the Social Sciences. The Macmillan Company, 1963.