Cita APA

Seligman, E. R. A. (1959). Encyclopedia of the social sciences, Vol.11-12.

Chicago Edition Citation

Seligman, Edwin R A. Encyclopedia of the Social Sciences, Vol.11-12. Macmillan & Co., New York, 1959.

Cita MLA

Seligman, Edwin R A. Encyclopedia of the Social Sciences, Vol.11-12. 1959.