APA (7e ed.) Bronvermelding

Seligman, E. R. A., & Johnson, A. S. (1937). Encyclopaedia of the social sciences. The Macmillan Company.

Chicago (17e ed.) Bronvermelding

Seligman, Edwin Robert Anderson, en Alvin Saunders Johnson. Encyclopaedia of the Social Sciences. New York: The Macmillan Company, 1937.

MLA (9e ed.) Bronvermelding

Seligman, Edwin Robert Anderson, en Alvin Saunders Johnson. Encyclopaedia of the Social Sciences. The Macmillan Company, 1937.