Cita APA

Gould, J. (1964). A Dictionary of the social sciences. [S.l.]: The United National Educational.

Citación estilo Chicago

Gould, Julius. A Dictionary of the Social Sciences. [S.l.]: The United National Educational, 1964.

Cita MLA

Gould, Julius. A Dictionary of the Social Sciences. [S.l.]: The United National Educational, 1964.