APA (7th ed.) Citation

Seligman, E. R., & Johnson, A. (1937). Encyclopaedia of the Social Sciences. MacMillan.

Chicago Style (17th ed.) Citation

Seligman, Edwin R., and Alvin Johnson. Encyclopaedia of the Social Sciences. Nueva York: MacMillan, 1937.

MLA (9th ed.) Citation

Seligman, Edwin R., and Alvin Johnson. Encyclopaedia of the Social Sciences. MacMillan, 1937.

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