APA Style

SELIGMAN, E, R. (1957). ENCYCLOPEDIA OF THE SOCIAL SOCIENCES VOLUME 11-12 (-). -: THE MACMILLAN COMPANY MCML VII.

MLA Style

SELIGMAN, EDWIN, RA. "ENCYCLOPEDIA OF THE SOCIAL SOCIENCES VOLUME 11-12". - -: THE MACMILLAN COMPANY MCML VII, 1957. Text.