APA (7th ed.) Citation

Seligman, E. R., & Seligman, E. R. (1958). Encyclopaedia of social sciences. Macmillan.

Chicago Style (17th ed.) Citation

Seligman, Edwin R.A., and Edwin R.A Seligman. Encyclopaedia of Social Sciences. Macmillan, 1958.

MLA (9th ed.) Citation

Seligman, Edwin R.A., and Edwin R.A Seligman. Encyclopaedia of Social Sciences. Macmillan, 1958.

Warning: These citations may not always be 100% accurate.