Gaya APA

SELIGMAN, E, R. (1957). ENCYCLOPEDIA OF THE SOCIAL SOCIENCES VOLUME 1-2 (-). -: THE MACMILLAN COMPANY MCML VII.

Gaya MLA

SELIGMAN, EDWIN, RA. "ENCYCLOPEDIA OF THE SOCIAL SOCIENCES VOLUME 1-2". - -: THE MACMILLAN COMPANY MCML VII, 1957. Text.