Cita APA

Sills, D. L. (1968). International encyclopaedia of the social sciences, Vol.9. Collier Macmillan Publishers.

Chicago Edition Citation

Sills, David L. International Encyclopaedia of the Social Sciences, Vol.9. London: Collier Macmillan Publishers, 1968.

Cita MLA

Sills, David L. International Encyclopaedia of the Social Sciences, Vol.9. Collier Macmillan Publishers, 1968.