APA Citation

Seligman, E. R. A., & Johnson, A. (1930). Encyclopaedia of the social sciences. New York: The Macmillan.

Chicago Style Citation

Seligman, Edwin R. A., and Alvin Johnson. Encyclopaedia of the Social Sciences. New York: The Macmillan, 1930.

MLA Citation

Seligman, Edwin R. A., and Alvin Johnson. Encyclopaedia of the Social Sciences. New York: The Macmillan, 1930.

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